{"id":"CVE-2026-57228","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-57228","summary":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 7.0.13 until 7.0.17, the SMTP MIME quoted-printable decoder…","details":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 7.0.13 until 7.0.17, the SMTP MIME quoted-printable decoder in src/util-decode-mime.c can read one byte past a heap buffer when a quoted-printable escape sequence is split across traffic chunks and the following chunk contains exactly one byte. Crafted SMTP traffic can trigger the out-of-bounds read and crash Suricata when decode-quoted-printable MIME decoding is enabled. This issue is fixed in version 7.0.17.","published":"2026-09-18T21:17:01.367","modified":"2026-09-18T21:17:01.367","cvss":{"score":8.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/OISF/suricata/commit/19880f9d5bbe2b8f8e8867a577848dce2b532c86","label":"OISF/suricata@19880f9"},"references":[{"type":"WEB","url":"https://github.com/OISF/suricata/commit/19880f9d5bbe2b8f8e8867a577848dce2b532c86"},{"type":"WEB","url":"https://github.com/OISF/suricata/releases/tag/suricata-7.0.17"},{"type":"WEB","url":"https://github.com/OISF/suricata/security/advisories/GHSA-qxm4-q7vx-7xj4"},{"type":"WEB","url":"https://redmine.openinfosecfoundation.org/issues/8608"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-18T21:17:01.367"}}