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OpenAdvisories
Medium · 6.5 CVE-2026-101279 EUVD-2026-88594GHSA-3h24-2ph8-4r6f

Trusted Domain Project OpenDMARC opendmarc_policy.c integer overflow

Published Sep 29, 2026 · Updated Sep 29, 2026 · Assigned by VulDB

Description

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.

Affected products

VendorProductAffectedFixed
Trusted Domain Project OpenDMARC 1.4.0, 1.4.1, 1.4.2 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 opendmarc No fix yet —
Debian 13 opendmarc No fix yet —
Debian 12 opendmarc No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 opendmarc No fix yet —
Ubuntu 26.04 LTS opendmarc No fix yet —
Ubuntu 24.04 LTS opendmarc No fix yet —
Ubuntu 22.04 LTS opendmarc No fix yet —
Ubuntu 20.04 LTS opendmarc No fix yet —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 18.04 LTS opendmarc No fix yet —
Ubuntu Pro 16.04 LTS opendmarc No fix yet —

References