{"id":"CVE-2026-90779","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-90779","summary":"SIPp through 3.7.7 contains a stack buffer overflow vulnerability in createAuthHeader() when processing SIP authentication challenges with oversized algorithm parameters. A malicious…","details":"SIPp through 3.7.7 contains a stack buffer overflow vulnerability in createAuthHeader() when processing SIP authentication challenges with oversized algorithm parameters. A malicious SIP server can send a crafted 401 or 407 challenge to corrupt the stack and crash the client process.","published":"2026-09-13T12:17:16.960","modified":"2026-09-13T12:17:16.960","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/SIPp/sipp/commit/1d4a5622bea34d0b5cdff333e6b5734608e30af7","label":"SIPp/sipp@1d4a562"},"references":[{"type":"WEB","url":"https://github.com/SIPp/sipp"},{"type":"WEB","url":"https://github.com/SIPp/sipp/blob/v3.7.7/src/auth.cpp#L183-L192"},{"type":"WEB","url":"https://github.com/SIPp/sipp/commit/1d4a5622bea34d0b5cdff333e6b5734608e30af7"},{"type":"WEB","url":"https://github.com/SIPp/sipp/pull/880"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/sipp-through-3.7.7-stack-buffer-overflow-via-createauthheader-algorithm-parameter"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-13T12:17:16.960"}}