Bug 2542253 (CVE-2026-100889) - CVE-2026-100889 opendkim: opendkim: Denial of Service via off-by-one error in dkim_qp_decode
Summary: CVE-2026-100889 opendkim: opendkim: Denial of Service via off-by-one error in...
Keywords:
Status: NEW
Alias: CVE-2026-100889
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: 2542278 2542279
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-27 23:51 UTC by OSIDB Bzimport
Modified: 2026-09-28 02:43 UTC (History)
0 users

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

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-09-27 23:51:15 UTC 
A vulnerability was detected in Trusted Domain Project OpenDKIM up to 2.11.0. Affected is the function dkim_qp_decode of the file util.c of the component Decoder. The manipulation results in off-by-one. The attack may be performed from remote. The exploit is now public 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.