PT-2026-99816 · Trusted Domain · Opendmarc

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CVE-2026-101016

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Published

2026-09-28

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Updated

2026-09-29

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Name of the Vulnerable Software and Affected Versions Trusted Domain Project OpenDMARC versions prior to 1.4.3
Description An issue exists in the opendmarc policy parse dmarc() function within the libopendmarc/opendmarc policy.c library. Remote exploitation is possible through the manipulation of the fo, rf, ri, pct, sp, adkim, aspf, rua, or ruf arguments, which leads to the handling of exceptional conditions.
Recommendations Update Trusted Domain Project OpenDMARC to a version newer than 1.4.2.

Exploit

Fix

Improper Handling of Exceptional Conditions

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Weakness Enumeration

Related Identifiers

CVE-2026-101016

Affected Products

Opendmarc