Bug 2542363 (CVE-2026-101015) - CVE-2026-101015 opendmarc: OpenDMARC: DMARC policy bypass via Unicode dot character equivalence in policy.c Domain Handler
Summary: CVE-2026-101015 opendmarc: OpenDMARC: DMARC policy bypass via Unicode dot cha...
Keywords:
Status: NEW
Alias: CVE-2026-101015
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2542427 2542428
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-28 08:41 UTC by OSIDB Bzimport
Modified: 2026-09-28 11:10 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-09-28 08:41:34 UTC 
A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this issue is some unknown functionality of the file policy.c of the component Domain Handler. Executing a manipulation can lead to improper validation of unsafe equivalence in input. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Note You need to log in before you can comment on or make changes to this bug.