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0 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. Join the discussion | CVE Database V5 | 09/27/2026, 23:45:16 UTC Added: 09/27/2026, 23:48:23 UTC |
CVE-2026-100888 is an out-of-bounds write vulnerability in Trusted Domain Project OpenDKIM affecting versions 2.0 through 2.11.0. The flaw exists in the dkim_canon_selecthdrs function within the DKIM Signature Header Selection component. Remote attackers can exploit this by manipulating the argument 'h', potentially leading to memory corruption. The vulnerability has a medium severity rating with a CVSS 4.0 score of 6.9. Public exploit code is available, but no vendor response or patch has been provided. Join the discussion | CVE Database V5 | 09/27/2026, 23:30:16 UTC Added: 09/28/2026, 01:57:40 UTC |
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