Bug 2542952 - CVE-2026-101279 opendmarc: opendmarc: Denial of service via integer overflow in policy parser [epel-all]
Summary: CVE-2026-101279 opendmarc: opendmarc: Denial of service via integer overflow ...
Keywords:
Status: NEW
Alias: None
Product: Fedora EPEL
Classification: Fedora
Component: opendmarc
Version: epel10
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Kevin Fenzi
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["3a548d69-6667-44e8-9024-e...
Depends On:
Blocks: CVE-2026-101279
TreeView+ depends on / blocked
 
Reported: 2026-09-29 06:05 UTC by TEJ RATHI
Modified: 2026-09-29 06:05 UTC (History)
3 users (show)

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


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Description TEJ RATHI 2026-09-29 06:05:29 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

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.


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