{"id":"CVE-2026-90558","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-90558","summary":"sngrep through 1.8.4 contains stack buffer overflow vulnerabilities in SIP attribute formatting routines when header values exceed the 255-byte buffer limit. Attackers can craft malicious…","details":"sngrep through 1.8.4 contains stack buffer overflow vulnerabilities in SIP attribute formatting routines when header values exceed the 255-byte buffer limit. Attackers can craft malicious SIP packets with oversized Call-ID, X-Call-ID, or other header fields to overflow stack buffers and cause crashes or execute arbitrary code during packet parsing and rendering.","published":"2026-09-12T18:16:44.587","modified":"2026-09-12T18:16:44.587","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/irontec/sngrep/commit/1ff74ee3ab5ff280e8ba976aa8c744dca57eb35b","label":"irontec/sngrep@1ff74ee"},"references":[{"type":"WEB","url":"https://github.com/irontec/sngrep"},{"type":"WEB","url":"https://github.com/irontec/sngrep/blob/v1.8.4/src/sip_call.c#L260"},{"type":"WEB","url":"https://github.com/irontec/sngrep/blob/v1.8.4/src/sip_msg.c#L150"},{"type":"WEB","url":"https://github.com/irontec/sngrep/commit/1ff74ee3ab5ff280e8ba976aa8c744dca57eb35b"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/sngrep-through-1.8.4-stack-buffer-overflow-via-sip-headers"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-12T18:16:44.587"}}