{"affected":[{"defaultStatus":"unaffected","ecosystem":"github","packageName":"dlundquist/sniproxy","product":"sniproxy","source":"CNA: VulnCheck","vendor":"dlundquist","versions":[{"lessThanOrEqual":"0.7.0","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-119760","cwes":["CWE-476"],"description":"sniproxy through 0.7.0 contains a NULL pointer dereference vulnerability in resolv_cancel() that allows remote unauthenticated attackers to crash the daemon by sending overlong hostnames. Attackers can send a 254 or 255 character TLS SNI name or HTTP Host header matching a wildcard backend, then close the connection to terminate the proxy.","epss":{"date":"2026-11-04","percentile":0.41313,"score":0.00477},"exploits":[],"kev":null,"metrics":[{"score":8.7,"severity":"high","source":"CNA: VulnCheck","vector":"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","version":"4.0"},{"score":7.5,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793845558700,"publishedAt":1793380793212,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/dlundquist/sniproxy/issues/411"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/dlundquist/sniproxy/blob/1cc625ea41796695a54593d1bd779366b82b8b4e/src/connection.c#L737-L738"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/dlundquist/sniproxy/blob/1cc625ea41796695a54593d1bd779366b82b8b4e/src/resolv.c#L219-L224"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/renaudallard/sniproxy/commit/d5d78290c8fe15d9aa12185d2c57739b7b0c6a6b"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/renaudallard/sniproxy/commit/17986ba7397297313331297cac3b9eb3f0ba96b7"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/dlundquist/sniproxy"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/sniproxy-through-0.7.0-null-pointer-dereference-via-resolv-cancel"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/renaudallard/sniproxy/commit/d5d78290c8fe15d9aa12185d2c57739b7b0c6a6b"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/renaudallard/sniproxy/commit/17986ba7397297313331297cac3b9eb3f0ba96b7"}],"revision":"8ea47a9b6b32652b8e899b2cf22c41ba810ddf8210e3bc3f15546d01833ce01d","sources":[{"modifiedAt":1793845558700,"name":"CNA: VulnCheck","retrievedAt":1793848133470,"url":"https://www.cve.org/CVERecord?id=CVE-2026-119760"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793848153449,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-119760"}],"ssvc":{"assessedAt":1793845548882,"automatable":"yes","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"sniproxy through 0.7.0 NULL Pointer Dereference via resolv_cancel()","updatedAt":1793848153449}