DEBIAN-CVE-2026-101279
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.
DEBIAN-CVE-2026-101279
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-101279
opendmarc
Source reference: /affected/0/package/name
- Affected versions
- 1.4.2-2
Source reference:
/affected/0/versions1.4.2-3Source reference:
/affected/0/versions1.4.2-4Source reference:
/affected/0/versions1.4.2-4.1Source reference:
/affected/0/versions1.4.2-4.1~exp1Source reference:
/affected/0/versions1.4.2-5Source reference:
/affected/0/versions1.4.2-5.1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
opendmarc
Source reference: /affected/1/package/name
- Affected versions
- 1.4.2-5
Source reference:
/affected/1/versions1.4.2-5.1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
opendmarc
Source reference: /affected/2/package/name
- Affected versions
- 1.4.2-5
Source reference:
/affected/2/versions1.4.2-5.1Source reference:
/affected/2/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opendmarc",
"purl": "pkg:deb/debian/opendmarc?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.4.2-2",
"1.4.2-3",
"1.4.2-4",
"1.4.2-4.1",
"1.4.2-4.1~exp1",
"1.4.2-5",
"1.4.2-5.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-101279.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opendmarc",
"purl": "pkg:deb/debian/opendmarc?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.4.2-5",
"1.4.2-5.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-101279.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opendmarc",
"purl": "pkg:deb/debian/opendmarc?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.4.2-5",
"1.4.2-5.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-101279.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #37083 · Revision 1
- Added to Heist Feed
- Publisher date