{"id":"CVE-2026-94184","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-94184","summary":"A stack-based buffer overflow flaw was found in fetchmail when built with NTLM support. A malicious or compromised mail server advertising NTLM authentication can send a crafted Type…","details":"A stack-based buffer overflow flaw was found in fetchmail when built with NTLM support. A malicious or compromised mail server advertising NTLM authentication can send a crafted Type 2 challenge that causes fetchmail to write past a fixed stack buffer while building the NTLM authenticate response. This may lead to remote code execution depending on stack-frame layout, or to authentication failure or process termination under memory hardening.","published":"2026-09-21T15:17:38.547","modified":"2026-09-21T15:17:38.547","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-94184"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2537395"},{"type":"WEB","url":"https://gitlab.com/fetchmail/fetchmail/-/commit/cb5be5c38471eec19e519ace0bc569176317ea92"},{"type":"WEB","url":"https://www.fetchmail.info/fetchmail-SA-2026-01.txt"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2026/06/27/8"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-21T15:17:38.547"}}