A flaw was found in OpenDKIM. An off-by-one boundary error in the quoted-printable decoder function (dkim_qp_decode) allows a remote attacker to trigger memory corruption by submitting specially crafted input. This issue primarily causes the application to crash, leading to a Denial of Service (DoS).
Last checked: 2026-09-28 15:29 UTC
Proof of concept · CISA Coordinator (Assessed 2026-09-28 13:06 UTC)
Fix evidence last checked: 2026-09-28 02:53 UTC