CVE-2026-100889
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.
- Published Sep 28, 2026
- CVSS 5.5 medium
- 0.3% chance of exploitation in the next 30 days (EPSS)
- No fix is known yet