CVE-2026-46384 (GCVE-0-2026-46384)
Vulnerability from cvelistv5
Published
2026-05-29 19:58
Modified
2026-08-27 12:04
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before bounds-checking, or summed them with overflow-prone signed-int arithmetic. On 32-bit targets (GOARCH=386, arm, mips, wasm, etc.), the truncation paths can silently bypass byte-slice limits, select the wrong union branch, or hit the OCF negative-make panic via wrap. Three sub-issues are not 32-bit-specific: cumulative-size arithmetic overflow in arrayDecoder.Decode / mapDecoder.Decode / mapDecoderUnmarshaler.Decode (wraps at math.MaxInt64 on amd64 / arm64 and bypasses MaxSliceAllocSize / MaxMapAllocSize), math.MinInt negation in block-header handling, and make([]byte, size) with a negative size in OCF block reads — all three panic or bypass caps on any platform, giving an attacker a denial-of-service primitive there. This vulnerability is fixed in 2.33.0.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| iskorotkov | avro |
Version: < 2.33.0 |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-46384",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-29T21:35:10.446724Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-29T21:35:18.534Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"affected": [
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:cryostat:4::el9"
],
"defaultStatus": "affected",
"packageName": "cryostat/cryostat-storage-rhel9",
"product": "Cryostat 4 on RHEL 9",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "4.2.0-19",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:multicluster_globalhub:1.5::el9"
],
"defaultStatus": "affected",
"packageName": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9",
"product": "Multicluster Global Hub 1.5.6",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1784562060",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:multicluster_globalhub:1.7::el9"
],
"defaultStatus": "affected",
"packageName": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9",
"product": "Multicluster Global Hub 1.7.0",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1784906628",
"versionType": "rpm"
},
{
"lessThan": "*",
"status": "unaffected",
"version": "1785442872",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:acm:2.11::el9"
],
"defaultStatus": "affected",
"packageName": "rhacm2/acm-grafana-rhel9",
"product": "Red Hat Advanced Cluster Management for Kubernetes 2.11",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1783578847",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:acm:2.13::el9"
],
"defaultStatus": "affected",
"packageName": "rhacm2/acm-grafana-rhel9",
"product": "Red Hat Advanced Cluster Management for Kubernetes 2.13",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1782383730",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:acm:2.16::el9"
],
"defaultStatus": "affected",
"packageName": "rhacm2/acm-grafana-rhel9",
"product": "Red Hat Advanced Cluster Management for Kubernetes 2.16",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1786908968",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:acm:2.17::el9"
],
"defaultStatus": "affected",
"packageName": "rhacm2/acm-grafana-rhel9",
"product": "Red Hat Advanced Cluster Management for Kubernetes 2.17",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1787316467",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:multicluster_globalhub:1.4::el9"
],
"defaultStatus": "affected",
"packageName": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9",
"product": "Red Hat multicluster global hub 1.4.2",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1784060681",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:multicluster_globalhub:1.6::el9"
],
"defaultStatus": "affected",
"packageName": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9",
"product": "Red Hat multicluster global hub 1.6.0",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1784561376",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:10"
],
"defaultStatus": "unaffected",
"packageName": "grafana",
"product": "Red Hat Enterprise Linux 10",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:8"
],
"defaultStatus": "unaffected",
"packageName": "grafana",
"product": "Red Hat Enterprise Linux 8",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:9"
],
"defaultStatus": "unaffected",
"packageName": "grafana",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
],
"defaultStatus": "affected",
"packageName": "opentelemetry-collector-contrib",
"product": "Red Hat Hardened Images",
"vendor": "Red Hat"
}
],
"datePublic": "2026-05-29T19:58:21.535Z",
"descriptions": [
{
"lang": "en",
"value": "An integer overflow flaw was found in Go Avro in decoding logic. Multiple decoder paths performs unsafe integer conversions and overflow-prone arithmetic operations on attacker-controlled values from Avro payloads. A remote attacker during Avro decoder operations could exploit this issue using specially crafted Avro data to consume excessive resources by bypassing memory limits and triggering crashes leading to a denial of service in affected applications."
}
],
"metrics": [
{
"other": {
"content": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"value": "Important"
},
"type": "Red Hat severity rating"
}
},
{
"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"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-190",
"description": "Integer Overflow or Wraparound",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-27T12:04:50.707Z",
"orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"shortName": "redhat-SADP"
},
"references": [
{
"tags": [
"vdb-entry",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/security/cve/CVE-2026-46384"
},
{
"name": "RHBZ#2483482",
"tags": [
"issue-tracking",
"x_refsource_REDHAT"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483482"
},
{
"tags": [
"x_sadp-csaf-vex"
],
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46384.json"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:48151"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:42852"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:47149"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:53530"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:41064"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:30651"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:57191"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:60386"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:41030"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:44622"
}
],
"solutions": [
{
"lang": "en",
"value": "RHSA-2026:48151: Cryostat 4 on RHEL 9"
},
{
"lang": "en",
"value": "RHSA-2026:42852: Multicluster Global Hub 1.5.6"
},
{
"lang": "en",
"value": "RHSA-2026:47149: Multicluster Global Hub 1.7.0"
},
{
"lang": "en",
"value": "RHSA-2026:53530: Multicluster Global Hub 1.7.0"
},
{
"lang": "en",
"value": "RHSA-2026:41064: Red Hat Advanced Cluster Management for Kubernetes 2.11"
},
{
"lang": "en",
"value": "RHSA-2026:30651: Red Hat Advanced Cluster Management for Kubernetes 2.13"
},
{
"lang": "en",
"value": "RHSA-2026:57191: Red Hat Advanced Cluster Management for Kubernetes 2.16"
},
{
"lang": "en",
"value": "RHSA-2026:60386: Red Hat Advanced Cluster Management for Kubernetes 2.17"
},
{
"lang": "en",
"value": "RHSA-2026:41030: Red Hat multicluster global hub 1.4.2"
},
{
"lang": "en",
"value": "RHSA-2026:44622: Red Hat multicluster global hub 1.6.0"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-05-29T21:02:03.061Z",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2026-05-29T19:58:21.535Z",
"value": "Made public."
}
],
"title": "github.com/hamba/avro/v2: github.com/linkedin/goavro/v2: Integer Overflow in Avro Decoder",
"workarounds": [
{
"lang": "en",
"value": "Red Hat is not aware of a practical temporary workaround that fully mitigates this issue or meets Red Hat Product Security\u0027s standards for usability, deployment, applicability, or stability. Customers are advised to apply the relevant security updates when they become available."
}
],
"x_adpType": "supplier",
"x_generator": {
"engine": "sadp-cli 1.0.0"
}
}
],
"cna": {
"affected": [
{
"product": "avro",
"vendor": "iskorotkov",
"versions": [
{
"status": "affected",
"version": "\u003c 2.33.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before bounds-checking, or summed them with overflow-prone signed-int arithmetic. On 32-bit targets (GOARCH=386, arm, mips, wasm, etc.), the truncation paths can silently bypass byte-slice limits, select the wrong union branch, or hit the OCF negative-make panic via wrap. Three sub-issues are not 32-bit-specific: cumulative-size arithmetic overflow in arrayDecoder.Decode / mapDecoder.Decode / mapDecoderUnmarshaler.Decode (wraps at math.MaxInt64 on amd64 / arm64 and bypasses MaxSliceAllocSize / MaxMapAllocSize), math.MinInt negation in block-header handling, and make([]byte, size) with a negative size in OCF block reads \u2014 all three panic or bypass caps on any platform, giving an attacker a denial-of-service primitive there. This vulnerability is fixed in 2.33.0."
}
],
"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-190",
"description": "CWE-190: Integer Overflow or Wraparound",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-29T19:58:21.535Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/iskorotkov/avro/security/advisories/GHSA-mc57-h6j3-3hmv",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/iskorotkov/avro/security/advisories/GHSA-mc57-h6j3-3hmv"
}
],
"source": {
"advisory": "GHSA-mc57-h6j3-3hmv",
"discovery": "UNKNOWN"
},
"title": "iskorotkov/avro: Integer Overflow in Avro Decoder"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-46384",
"datePublished": "2026-05-29T19:58:21.535Z",
"dateReserved": "2026-05-13T19:53:47.922Z",
"dateUpdated": "2026-08-27T12:04:50.707Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"github.com/hamba/avro/v2: github.com/linkedin/goavro/v2: Integer Overflow in Avro Decoder\", \"metrics\": [{\"other\": {\"type\": \"Red Hat severity rating\", \"content\": {\"value\": \"Important\", \"namespace\": \"https://access.redhat.com/security/updates/classification/\"}}}, {\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"cpes\": [\"cpe:/a:redhat:cryostat:4::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Cryostat 4 on RHEL 9\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"4.2.0-19\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"cryostat/cryostat-storage-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:multicluster_globalhub:1.5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Multicluster Global Hub 1.5.6\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1784562060\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"multicluster-globalhub/multicluster-globalhub-grafana-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:multicluster_globalhub:1.7::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Multicluster Global Hub 1.7.0\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1784906628\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}, {\"status\": \"unaffected\", \"version\": \"1785442872\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"multicluster-globalhub/multicluster-globalhub-grafana-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.11::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.11\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1783578847\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/acm-grafana-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.13::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.13\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1782383730\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/acm-grafana-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.16::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.16\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1786908968\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/acm-grafana-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.17::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.17\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1787316467\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/acm-grafana-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:multicluster_globalhub:1.4::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat multicluster global hub 1.4.2\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1784060681\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"multicluster-globalhub/multicluster-globalhub-grafana-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:multicluster_globalhub:1.6::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat multicluster global hub 1.6.0\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1784561376\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"multicluster-globalhub/multicluster-globalhub-grafana-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:10\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 10\", \"packageName\": \"grafana\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:8\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8\", \"packageName\": \"grafana\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9\", \"packageName\": \"grafana\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/a:redhat:hummingbird:1\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Hardened Images\", \"packageName\": \"opentelemetry-collector-contrib\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-05-29T21:02:03.061Z\", \"value\": \"Reported to Red Hat.\"}, {\"lang\": \"en\", \"time\": \"2026-05-29T19:58:21.535Z\", \"value\": \"Made public.\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"RHSA-2026:48151: Cryostat 4 on RHEL 9\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:42852: Multicluster Global Hub 1.5.6\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:47149: Multicluster Global Hub 1.7.0\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:53530: Multicluster Global Hub 1.7.0\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:41064: Red Hat Advanced Cluster Management for Kubernetes 2.11\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:30651: Red Hat Advanced Cluster Management for Kubernetes 2.13\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:57191: Red Hat Advanced Cluster Management for Kubernetes 2.16\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:60386: Red Hat Advanced Cluster Management for Kubernetes 2.17\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:41030: Red Hat multicluster global hub 1.4.2\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:44622: Red Hat multicluster global hub 1.6.0\"}], \"x_adpType\": \"supplier\", \"datePublic\": \"2026-05-29T19:58:21.535Z\", \"references\": [{\"url\": \"https://access.redhat.com/security/cve/CVE-2026-46384\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2483482\", \"name\": \"RHBZ#2483482\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46384.json\", \"tags\": [\"x_sadp-csaf-vex\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:48151\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:42852\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:47149\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:53530\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:41064\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:30651\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:57191\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:60386\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:41030\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:44622\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Red Hat is not aware of a practical temporary workaround that fully mitigates this issue or meets Red Hat Product Security\u0027s standards for usability, deployment, applicability, or stability. Customers are advised to apply the relevant security updates when they become available.\"}], \"x_generator\": {\"engine\": \"sadp-cli 1.0.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An integer overflow flaw was found in Go Avro in decoding logic. Multiple decoder paths performs unsafe integer conversions and overflow-prone arithmetic operations on attacker-controlled values from Avro payloads. A remote attacker during Avro decoder operations could exploit this issue using specially crafted Avro data to consume excessive resources by bypassing memory limits and triggering crashes leading to a denial of service in affected applications.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-190\", \"description\": \"Integer Overflow or Wraparound\"}]}], \"providerMetadata\": {\"orgId\": \"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\", \"shortName\": \"redhat-SADP\", \"dateUpdated\": \"2026-08-27T12:04:50.707Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-46384\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-29T21:35:10.446724Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-29T21:35:15.556Z\"}}], \"cna\": {\"title\": \"iskorotkov/avro: Integer Overflow in Avro Decoder\", \"source\": {\"advisory\": \"GHSA-mc57-h6j3-3hmv\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 8.7, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"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\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"iskorotkov\", \"product\": \"avro\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c 2.33.0\"}]}], \"references\": [{\"url\": \"https://github.com/iskorotkov/avro/security/advisories/GHSA-mc57-h6j3-3hmv\", \"name\": \"https://github.com/iskorotkov/avro/security/advisories/GHSA-mc57-h6j3-3hmv\", \"tags\": [\"x_refsource_CONFIRM\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before bounds-checking, or summed them with overflow-prone signed-int arithmetic. On 32-bit targets (GOARCH=386, arm, mips, wasm, etc.), the truncation paths can silently bypass byte-slice limits, select the wrong union branch, or hit the OCF negative-make panic via wrap. Three sub-issues are not 32-bit-specific: cumulative-size arithmetic overflow in arrayDecoder.Decode / mapDecoder.Decode / mapDecoderUnmarshaler.Decode (wraps at math.MaxInt64 on amd64 / arm64 and bypasses MaxSliceAllocSize / MaxMapAllocSize), math.MinInt negation in block-header handling, and make([]byte, size) with a negative size in OCF block reads \\u2014 all three panic or bypass caps on any platform, giving an attacker a denial-of-service primitive there. This vulnerability is fixed in 2.33.0.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-190\", \"description\": \"CWE-190: Integer Overflow or Wraparound\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-05-29T19:58:21.535Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-46384\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-27T12:04:50.707Z\", \"dateReserved\": \"2026-05-13T19:53:47.922Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-05-29T19:58:21.535Z\", \"assignerShortName\": \"GitHub_M\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
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.
Loading…
Loading…