Skip to content
Heist/ feed
Unrated

DEBIAN-CVE-2026-101279

Type: advisorySource: OSV1 source record

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.

Announced Source revision 1
Original source ↗

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/versions

1.4.2-3

Source reference: /affected/0/versions

1.4.2-4

Source reference: /affected/0/versions

1.4.2-4.1

Source reference: /affected/0/versions

1.4.2-4.1~exp1

Source reference: /affected/0/versions

1.4.2-5

Source reference: /affected/0/versions

1.4.2-5.1

Source 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/versions

1.4.2-5.1

Source 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/versions

1.4.2-5.1

Source 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
Read the original announcement