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DEBIAN-CVE-2026-101015

Type: advisorySource: OSV1 source record

A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this issue is some unknown functionality of the file policy.c of the component Domain Handler. Executing a manipulation can lead to improper validation of unsafe equivalence in input. The attack may be launched remotely. The exploit has been published 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-2026-101015

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-2026-101015

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-2026-101015.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-2026-101015.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-2026-101015.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]
Related CVEs
CVE-2026-101015

Source reference: /upstream

Publisher severity

medium

Source reference: /severity/0/score

Linked CVE context

These ratings describe the referenced vulnerabilities and products. They are not a severity rating for every application using this dependency.

CVE-2026-101015 · High

OpenDMARC

Event
#67704 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement