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CERTFR-2026-AVI-0608
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans Microsoft Azure Linux. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Microsoft | N/A | azl3 telegraf 1.31.0-19 versions antérieures à 1.31.0-20 | ||
| Microsoft | N/A | azl3 binutils 2.41-11 versions antérieures à 2.41-12 | ||
| Microsoft | N/A | azl3 gdb 13.2-7 versions antérieures à 13.2-8 | ||
| Microsoft | N/A | azl3 python-mistune 3.0.2-1 versions antérieures à 3.2.1-1 | ||
| Microsoft | N/A | azl3 httpd 2.4.66-1 versions antérieures à 2.4.67-1 | ||
| Microsoft | N/A | azl3 coredns 1.11.4-15 versions antérieures à 1.11.4-16 | ||
| Microsoft | N/A | azl3 fio 3.37-3 versions antérieures à 3.37-4 |
References
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "azl3 telegraf 1.31.0-19 versions ant\u00e9rieures \u00e0 1.31.0-20",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "azl3 binutils 2.41-11 versions ant\u00e9rieures \u00e0 2.41-12",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "azl3 gdb 13.2-7 versions ant\u00e9rieures \u00e0 13.2-8",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "azl3 python-mistune 3.0.2-1 versions ant\u00e9rieures \u00e0 3.2.1-1",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "azl3 httpd 2.4.66-1 versions ant\u00e9rieures \u00e0 2.4.67-1",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "azl3 coredns 1.11.4-15 versions ant\u00e9rieures \u00e0 1.11.4-16",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "azl3 fio 3.37-3 versions ant\u00e9rieures \u00e0 3.37-4",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-33190",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33190"
},
{
"name": "CVE-2026-6846",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6846"
},
{
"name": "CVE-2026-33007",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33007"
},
{
"name": "CVE-2026-30656",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-30656"
},
{
"name": "CVE-2026-42154",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-42154"
},
{
"name": "CVE-2026-33857",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33857"
},
{
"name": "CVE-2026-33489",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33489"
},
{
"name": "CVE-2026-32936",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-32936"
},
{
"name": "CVE-2026-23918",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23918"
},
{
"name": "CVE-2026-24072",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-24072"
},
{
"name": "CVE-2026-29168",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-29168"
},
{
"name": "CVE-2026-33079",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33079"
},
{
"name": "CVE-2026-29169",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-29169"
},
{
"name": "CVE-2026-34032",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-34032"
},
{
"name": "CVE-2026-33006",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33006"
},
{
"name": "CVE-2026-34059",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-34059"
},
{
"name": "CVE-2026-32934",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-32934"
},
{
"name": "CVE-2026-33523",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33523"
}
],
"initial_release_date": "2026-05-18T00:00:00",
"last_revision_date": "2026-05-18T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0608",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-05-18T00:00:00.000000"
}
],
"risks": [
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Microsoft Azure Linux. Elles permettent \u00e0 un attaquant de provoquer un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Microsoft Azure Linux ",
"vendor_advisories": [
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-32934",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32934"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-42154",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42154"
},
{
"published_at": "2026-05-03",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-6846",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-6846"
},
{
"published_at": "2026-05-03",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-30656",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-30656"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-24072",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24072"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-34059",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34059"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-32936",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32936"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-33007",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33007"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-33190",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33190"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-23918",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23918"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-29168",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-29168"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-33523",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33523"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-33857",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33857"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-33489",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33489"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-33006",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33006"
},
{
"published_at": "2026-05-10",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-33079",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33079"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-29169",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-29169"
},
{
"published_at": "2026-05-07",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-34032",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34032"
}
]
}
CVE-2026-33079 (GCVE-0-2026-33079)
Vulnerability from cvelistv5
Published
2026-05-06 17:25
Modified
2026-05-06 19:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Summary
In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS (Regular Expression Denial of Service) vulnerability in `LINK_TITLE_RE` that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping alternatives that can trigger catastrophic backtracking. In both the double-quoted and single-quoted branches, a backslash followed by punctuation can be matched either as an escaped punctuation sequence or as two ordinary characters, creating an ambiguous pattern inside a repeated group. If an attacker supplies Markdown containing repeated ! sequences with no closing quote, the regex engine explores an exponential number of backtracking paths. This is reachable through normal Markdown parsing of inline links and block link reference definitions. A small crafted input can therefore cause significant CPU consumption and make applications using Mistune unresponsive.
References
| URL | Tags | |
|---|---|---|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-33079",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-06T19:02:37.046157Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-06T19:02:51.759Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/lepture/mistune/security/advisories/GHSA-8mp2-v27r-99xp"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "mistune",
"vendor": "lepture",
"versions": [
{
"status": "affected",
"version": "\u003e=3.0.0a1, \u003c= 3.2.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS (Regular Expression Denial of Service) vulnerability in `LINK_TITLE_RE` that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping alternatives that can trigger catastrophic backtracking. In both the double-quoted and single-quoted branches, a backslash followed by punctuation can be matched either as an escaped punctuation sequence or as two ordinary characters, creating an ambiguous pattern inside a repeated group. If an attacker supplies Markdown containing repeated ! sequences with no closing quote, the regex engine explores an exponential number of backtracking paths. This is reachable through normal Markdown parsing of inline links and block link reference definitions. A small crafted input can therefore cause significant CPU consumption and make applications using Mistune unresponsive."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1333",
"description": "CWE-1333: Inefficient Regular Expression Complexity",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-06T17:25:09.026Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/lepture/mistune/security/advisories/GHSA-8mp2-v27r-99xp",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/lepture/mistune/security/advisories/GHSA-8mp2-v27r-99xp"
},
{
"name": "https://github.com/lepture/mistune/blob/df23edd60b43b639d2e6760ef9dd3d618aa11c21/src/mistune/helpers.py#L20-L25",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/lepture/mistune/blob/df23edd60b43b639d2e6760ef9dd3d618aa11c21/src/mistune/helpers.py#L20-L25"
}
],
"source": {
"advisory": "GHSA-8mp2-v27r-99xp",
"discovery": "UNKNOWN"
},
"title": "Mistune ReDoS in LINK_TITLE_RE allows denial of service with crafted Markdown titles"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-33079",
"datePublished": "2026-05-06T17:25:09.026Z",
"dateReserved": "2026-03-17T19:27:06.345Z",
"dateUpdated": "2026-05-06T19:02:51.759Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-42154 (GCVE-0-2026-42154)
Vulnerability from cvelistv5
Published
2026-05-04 18:13
Modified
2026-05-04 20:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Prometheus is an open-source monitoring system and time series database. Prior to versions 3.5.3 and 3.11.3, the remote read endpoint (/api/v1/read) does not validate the declared decoded length in a snappy-compressed request body before allocating memory. An unauthenticated attacker can send a small payload that causes a huge heap allocation per request. Under concurrent load this can exhaust available memory and crash the Prometheus process. This issue has been patched in versions 3.5.3 and 3.11.3.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| prometheus | prometheus |
Version: < 3.5.3 Version: >= 3.6.0, < 3.11.3 |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-42154",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-04T20:18:48.754025Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-04T20:19:13.876Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "prometheus",
"vendor": "prometheus",
"versions": [
{
"status": "affected",
"version": "\u003c 3.5.3"
},
{
"status": "affected",
"version": "\u003e= 3.6.0, \u003c 3.11.3"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Prometheus is an open-source monitoring system and time series database. Prior to versions 3.5.3 and 3.11.3, the remote read endpoint (/api/v1/read) does not validate the declared decoded length in a snappy-compressed request body before allocating memory. An unauthenticated attacker can send a small payload that causes a huge heap allocation per request. Under concurrent load this can exhaust available memory and crash the Prometheus process. This issue has been patched in versions 3.5.3 and 3.11.3."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "CWE-400: Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-789",
"description": "CWE-789: Memory Allocation with Excessive Size Value",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-04T18:13:12.340Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/prometheus/prometheus/security/advisories/GHSA-8rm2-7qqf-34qm",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/prometheus/prometheus/security/advisories/GHSA-8rm2-7qqf-34qm"
},
{
"name": "https://github.com/prometheus/prometheus/pull/18584",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/prometheus/prometheus/pull/18584"
},
{
"name": "https://github.com/prometheus/prometheus/pull/18585",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/prometheus/prometheus/pull/18585"
},
{
"name": "https://github.com/prometheus/prometheus/releases/tag/v3.11.3",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/prometheus/prometheus/releases/tag/v3.11.3"
},
{
"name": "https://github.com/prometheus/prometheus/releases/tag/v3.5.3",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/prometheus/prometheus/releases/tag/v3.5.3"
}
],
"source": {
"advisory": "GHSA-8rm2-7qqf-34qm",
"discovery": "UNKNOWN"
},
"title": "Prometheus: remote read endpoint allows denial of service via crafted snappy payload"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-42154",
"datePublished": "2026-05-04T18:13:12.340Z",
"dateReserved": "2026-04-24T17:15:21.835Z",
"dateUpdated": "2026-05-04T20:19:13.876Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-34032 (GCVE-0-2026-34032)
Vulnerability from cvelistv5
Published
2026-05-04 12:54
Modified
2026-05-04 17:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Version: 0 ≤ 2.4.66 |
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
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CVE-2026-29168 (GCVE-0-2026-29168)
Vulnerability from cvelistv5
Published
2026-05-05 13:10
Modified
2026-05-05 16:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's mod_md via OCSP response data.
This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Version: 2.4.30 ≤ 2.4.66 cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* |
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CVE-2026-33007 (GCVE-0-2026-33007)
Vulnerability from cvelistv5
Published
2026-05-04 14:41
Modified
2026-05-05 15:07
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - NULL Pointer Dereference
Summary
A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration.
Users are recommended to upgrade to version 2.4.67, which fixes this issue.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Version: 2.4.0 ≤ 2.4.66 |
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CVE-2026-30656 (GCVE-0-2026-30656)
Vulnerability from cvelistv5
Published
2026-04-16 00:00
Modified
2026-04-16 17:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
A NULL pointer dereference vulnerability exists in fio (Flexible I/O Tester) v3.41 when parsing job files containing the fdp_pli option. The callback function str_fdp_pli_cb() does not validate the input pointer and calls strdup() on a NULL value when the option is specified without an argument. This results in a segmentation fault and process crash.
References
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CVE-2026-33489 (GCVE-0-2026-33489)
Vulnerability from cvelistv5
Published
2026-05-05 19:13
Modified
2026-05-05 19:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-863 - Incorrect Authorization
Summary
CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the transfer plugin can select the wrong ACL stanza when both a parent zone and a more-specific subzone are configured. The longestMatch() function in plugin/transfer/transfer.go uses a lexicographic string comparison instead of an actual longest-suffix match to select the winning zone. As a result, a permissive parent-zone transfer rule can override a restrictive subzone rule depending on zone name ordering (e.g., "example.org." > "a.example.org." lexicographically). This allows an unauthorized remote client to perform AXFR/IXFR for the subzone and retrieve its full zone contents. This issue has been fixed in version 1.14.3.
References
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CVE-2026-29169 (GCVE-0-2026-29169)
Vulnerability from cvelistv5
Published
2026-05-04 14:48
Modified
2026-05-05 20:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - NULL Pointer Dereference
Summary
A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs.
The only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earlier than version 1.2.0.
Users are recommended to upgrade to version 2.4.66, which fixes this issue, or remove mod_dav_lock.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Version: 0 ≤ 2.4.66 |
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CVE-2026-32936 (GCVE-0-2026-32936)
Vulnerability from cvelistv5
Published
2026-05-05 19:07
Modified
2026-05-05 19:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - Uncontrolled Resource Consumption
Summary
CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the DNS-over-HTTPS (DoH) GET path accepts oversized dns= query parameter values and performs URL query parsing, base64 decoding, and DNS message unpacking before rejecting the request. Unlike the POST path, which applies a bounded read via http.MaxBytesReader limited to 65536 bytes, the GET path has no equivalent size validation before expensive processing. A remote, unauthenticated attacker can repeatedly send oversized DoH GET requests to force high CPU usage, large transient memory allocations, and elevated garbage-collection pressure, leading to denial of service. This issue has been fixed in version 1.14.3.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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CVE-2026-33190 (GCVE-0-2026-33190)
Vulnerability from cvelistv5
Published
2026-05-05 19:02
Modified
2026-05-06 12:47
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the tsig plugin can be bypassed on non-plain-DNS transports (DoT, DoH, DoH3, DoQ, and gRPC) because it trusts the transport writer's TsigStatus() instead of performing verification itself. The DoH and DoH3 writer's TsigStatus() always returns nil, the DoT server does not set TsigSecret on the dns.Server, and the DoQ and gRPC writers also unconditionally return nil. This allows an unauthenticated remote client to bypass TSIG-based authentication and access resources intended to be restricted behind a tsig require all policy. Plain DNS over TCP and UDP are not affected. This issue has been fixed in version 1.14.3.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2026-6846 (GCVE-0-2026-6846)
Vulnerability from cvelistv5
Published
2026-04-22 08:37
Modified
2026-05-12 12:42
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
A flaw was found in binutils. A heap-buffer-overflow vulnerability exists when processing a specially crafted XCOFF (Extended Common Object File Format) object file during linking. A local attacker could trick a user into processing this malicious file, which could lead to arbitrary code execution, allowing the attacker to run unauthorized commands, or cause a denial of service, making the system unavailable.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2026-32934 (GCVE-0-2026-32934)
Vulnerability from cvelistv5
Published
2026-05-05 19:06
Modified
2026-05-06 15:14
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the DNS-over-QUIC (DoQ) server can be driven into unbounded goroutine and memory growth by a remote client that opens many QUIC streams and sends only 1 byte per stream. When the worker pool is full, CoreDNS still spawns a goroutine per accepted stream to wait for a worker token. Additionally, active workers block indefinitely in io.ReadFull() with no per-stream read deadline, allowing an attacker to pin all workers by sending a single byte so the read blocks waiting for the second byte of the DoQ length prefix. This enables an unauthenticated remote attacker to cause memory exhaustion and OOM-kill. This issue has been fixed in version 1.14.3. No known workarounds exist.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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CVE-2026-24072 (GCVE-0-2026-24072)
Vulnerability from cvelistv5
Published
2026-05-04 12:37
Modified
2026-05-05 03:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-269 - Improper Privilege Management
Summary
An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user.
Users are recommended to upgrade to version 2.4.67, which fixes this issue.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Version: 0 ≤ 2.4.66 |
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CVE-2026-33006 (GCVE-0-2026-33006)
Vulnerability from cvelistv5
Published
2026-05-04 14:42
Modified
2026-05-04 18:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-208 - Observable Timing Discrepancy
Summary
A timing attack against mod_auth_digest in Apache HTTP Server 2.4.66 allows a bypass of Digest authentication by a remote attacker.
Users are recommended to upgrade to version 2.4.67, which fixes this issue.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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Impacted products
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| Apache Software Foundation | Apache HTTP Server |
Version: 0 ≤ 2.4.66 |
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CVE-2026-23918 (GCVE-0-2026-23918)
Vulnerability from cvelistv5
Published
2026-05-04 14:44
Modified
2026-05-05 03:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-415 - Double Free
Summary
Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol.
This issue affects Apache HTTP Server: 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Version: 2.4.66 ≤ |
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CVE-2026-33523 (GCVE-0-2026-33523)
Vulnerability from cvelistv5
Published
2026-05-04 14:40
Modified
2026-05-04 17:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-443 - HTTP response splitting
Summary
HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers.
This issue affects Apache HTTP Server: from through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Version: 2.4.0 ≤ 2.4.66 |
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CVE-2026-33857 (GCVE-0-2026-33857)
Vulnerability from cvelistv5
Published
2026-05-04 13:07
Modified
2026-05-04 17:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Out-of-bounds Read vulnerability in mod_proxy_ajp of
Apache HTTP Server.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
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| Apache Software Foundation | Apache HTTP Server |
Version: 0 ≤ 2.4.66 |
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CVE-2026-34059 (GCVE-0-2026-34059)
Vulnerability from cvelistv5
Published
2026-05-04 12:39
Modified
2026-05-04 17:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-126 - Buffer Over-read
Summary
Buffer Over-read vulnerability in Apache HTTP Server.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
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| Apache Software Foundation | Apache HTTP Server |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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