CVE-2026-101279

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductTrusted Domain Project Opendmarc
PublishedSep 29, 2026
First seenSep 29, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
trusted_domain_project opendmarc1.4.0, 1.4.1, 1.4.2—

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