CVE-2026-101278

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Trusted Domain ProjectOpenDMARC1.4.0affected
Trusted Domain ProjectOpenDMARC1.4.1affected
Trusted Domain ProjectOpenDMARC1.4.2affected

Weaknesses

  • CWE-346: Origin Validation Error
  • CWE-345: Insufficient Verification of Data Authenticity

References