CVE-2026-101016: Trusted Domain Project OpenDMARC opendmarc_policy.c opendmarc_policy_parse_dmarc exceptional condition
A vulnerability has been found in Trusted Domain Project OpenDMARC up to 1.4.2. This affects the function opendmarcpolicyparsedmarc in the library libopendmarc/opendmarcpolicy.c. The manipulation of the argument fo/rf/ri/pct/sp/adkim/aspf/rua/ruf leads to handling of exceptional conditions. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
Does exploitation require authentication or user interaction?
No. The published vector indicates no privileges are required and no user interaction is needed.
What is the expected security impact?
The reported impact is limited to integrity and availability, both rated low. No confidentiality impact is reported.
Is a fixed version or vendor response available?
The available information does not identify a fixed version. The vendor was contacted before disclosure but reportedly did not respond.