{"id":"CVE-2026-90779","summary":"SIPp through 3.7.7 Stack Buffer Overflow via createAuthHeader Algorithm Parameter","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.","modified":"2026-10-28T11:19:40.248753143Z","published":"2026-09-13T11:42:28.431Z","database_specific":{"cwe_ids":["CWE-121"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90779.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90779.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90779"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/sipp-through-3.7.7-stack-buffer-overflow-via-createauthheader-algorithm-parameter"},{"type":"FIX","url":"https://github.com/SIPp/sipp/commit/1d4a5622bea34d0b5cdff333e6b5734608e30af7"},{"type":"FIX","url":"https://github.com/SIPp/sipp/pull/880"},{"type":"PACKAGE","url":"https://github.com/SIPp/sipp"},{"type":"ARTICLE","url":"https://github.com/SIPp/sipp/blob/v3.7.7/src/auth.cpp#L183-L192"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/sipp/sipp","events":[{"introduced":"0"},{"fixed":"1d4a5622bea34d0b5cdff333e6b5734608e30af7"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0"},{"last_affected":"3.7.7"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"},{"range":[{"fixed":"1d4a5622bea34d0b5cdff333e6b5734608e30af7"}],"source":"REFERENCES_COMMIT"}]}}],"database_specific":{"vanir_signatures_modified":"2026-10-28T11:19:40Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90779.json","vanir_signatures":[{"target":{"function":"createAuthHeader","file":"src/auth.cpp"},"deprecated":false,"digest":{"function_hash":"272655781295700440033255931196775378875","length":1584},"id":"CVE-2026-90779-8e422d75","signature_type":"Function","signature_version":"v1","source":"https://github.com/sipp/sipp/commit/1d4a5622bea34d0b5cdff333e6b5734608e30af7"},{"signature_version":"v1","source":"https://github.com/sipp/sipp/commit/1d4a5622bea34d0b5cdff333e6b5734608e30af7","target":{"file":"src/auth.cpp"},"deprecated":false,"digest":{"line_hashes":["124341802793827089946765421589429529441","173967929672885655827398598679834291408","177159558675663488573672167036968157372","98707615778113804829966795241830409397","49269686409717794407693772224571075046","286482285018539266061095127685398109376","314260532159957039417265428906017241000","115662733980193889599238957486292395076","78259846757919196522980420459721020154","187001006497358060075961279763535420451","145872507985190503826988008353323061297","268644509643034483966382941673200849268","298160898338246989194685829568788963747","128382950524341504630049657530567576996","197850149046904233672957869950140791052","16208948970243082542168294146801497050"],"threshold":0.9},"id":"CVE-2026-90779-ad0783e3","signature_type":"Line"}]}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}