Insufficient Verification of Data Authenticity Affecting opendmarc package, versions *


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-DEBIAN12-OPENDMARC-20336337
  • published30 Sept 2026
  • disclosed29 Sept 2026

Introduced: 29 Sep 2026

NewCVE-2026-101278  (opens in a new tab)
CWE-345  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

There is no fixed version for Debian:12 opendmarc.

NVD Description

Note: Versions mentioned in the description apply only to the upstream opendmarc package and not the opendmarc package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

A weakness has been identified in Trusted Domain Project OpenDMARC up to 1.4.2. This affects the function opendmarc_get_tld of the file libopendmarc/opendmarc_tld.c : of the component PSL Wildcard Handler. Executing a manipulation can lead to origin validation error. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Base Scores

version 3.1