CVE-2026-101279 (GCVE-0-2026-101279)
Vulnerability from cvelistv5
Published
2026-09-29 00:15
Modified
2026-09-29 10:48
Severity ?
5.5 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RC:R
6.5 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RC:R
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RC:R
6.5 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RC:R
VLAI Severity ?
EPSS score ?
Summary
A security vulnerability has been detected in Trusted Domain Project OpenDMARC up to 1.4.2. This impacts an unknown function of the file libopendmarc/opendmarc_policy.c of the component DMARC Parser. The manipulation of the argument pct leads to integer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Trusted Domain Project | OpenDMARC |
Version: 1.4.0 Version: 1.4.1 Version: 1.4.2 cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-101279",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-29T10:47:57.171616Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-29T10:48:56.943Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
],
"modules": [
"DMARC Parser"
],
"product": "OpenDMARC",
"vendor": "Trusted Domain Project",
"versions": [
{
"status": "affected",
"version": "1.4.0"
},
{
"status": "affected",
"version": "1.4.1"
},
{
"status": "affected",
"version": "1.4.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "yongzhe_xu (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A security vulnerability has been detected in Trusted Domain Project OpenDMARC up to 1.4.2. This impacts an unknown function of the file libopendmarc/opendmarc_policy.c of the component DMARC Parser. The manipulation of the argument pct leads to integer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 6.4,
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-190",
"description": "Integer Overflow",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-189",
"description": "Numeric Error",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-29T00:15:09.911Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-411036 | Trusted Domain Project OpenDMARC opendmarc_policy.c integer overflow",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/411036"
},
{
"name": "VDB-411036 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/411036/cti"
},
{
"name": "CVE-2026-101279 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-101279"
},
{
"name": "Submit #918280 | The Trusted Domain Project OpenDMARC 1.4.2 Integer Overflow",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/918280"
},
{
"tags": [
"exploit"
],
"url": "https://xuyongzhe-vt.github.io/share/dmarc-pct-integer-handling.html"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-09-28T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-09-28T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-09-28T13:58:06.000Z",
"value": "VulDB entry last update"
}
],
"title": "Trusted Domain Project OpenDMARC opendmarc_policy.c integer overflow",
"x_generator": [
"VulDB PVTS v202609"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-101279",
"datePublished": "2026-09-29T00:15:09.911Z",
"dateReserved": "2026-09-28T11:52:44.734Z",
"dateUpdated": "2026-09-29T10:48:56.943Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-101279\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-29T10:47:57.171616Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-29T10:48:31.548Z\"}}], \"cna\": {\"title\": \"Trusted Domain Project OpenDMARC opendmarc_policy.c integer overflow\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"yongzhe_xu (VulDB User)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"VulDB CNA Team\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 6.9, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 6.4, \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR\"}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*\"], \"vendor\": \"Trusted Domain Project\", \"modules\": [\"DMARC Parser\"], \"product\": \"OpenDMARC\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.4.0\"}, {\"status\": \"affected\", \"version\": \"1.4.1\"}, {\"status\": \"affected\", \"version\": \"1.4.2\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-09-28T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-09-28T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-09-28T13:58:06.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/411036\", \"name\": \"VDB-411036 | Trusted Domain Project OpenDMARC opendmarc_policy.c integer overflow\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/vuln/411036/cti\", \"name\": \"VDB-411036 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/cve/CVE-2026-101279\", \"name\": \"CVE-2026-101279 | CVE Analysis and Report\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/918280\", \"name\": \"Submit #918280 | The Trusted Domain Project OpenDMARC 1.4.2 Integer Overflow\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://xuyongzhe-vt.github.io/share/dmarc-pct-integer-handling.html\", \"tags\": [\"exploit\"]}], \"x_generator\": [\"VulDB PVTS v202609\"], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A security vulnerability has been detected in Trusted Domain Project OpenDMARC up to 1.4.2. This impacts an unknown function of the file libopendmarc/opendmarc_policy.c of the component DMARC Parser. The manipulation of the argument pct leads to integer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-190\", \"description\": \"Integer Overflow\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-189\", \"description\": \"Numeric Error\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-09-29T00:15:09.911Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-101279\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-29T10:48:56.943Z\", \"dateReserved\": \"2026-09-28T11:52:44.734Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-09-29T00:15:09.911Z\", \"assignerShortName\": \"VulDB\"}",
"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…