{"affected":[{"defaultStatus":"unaffected","ecosystem":"github","packageName":"apitrace/apitrace","product":"apitrace","source":"CNA: VulnCheck","vendor":"apitrace","versions":[{"lessThanOrEqual":"14.0","status":"affected","version":"2.0","versionType":"custom"}]}],"cveId":"CVE-2026-126050","cwes":["CWE-122"],"description":"apitrace 2.0 through 14.0 contains a heap-based buffer overflow in SnappyFile::flushReadCache() that allows attackers to write past m_compressedCache via an oversized compressed chunk length. Attackers can supply a crafted .trace file whose 4-byte chunk length exceeds the fixed buffer size, corrupting heap memory when users dump, inspect, or replay it.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.5,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":7.8,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},{"score":8.5,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":7.8,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1794331052107,"publishedAt":1794329884990,"references":[{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/apitrace/apitrace/commit/3890c5a448addfd75ccbe1bd09e3075de6fb3395"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/apitrace/apitrace/blob/18cfd388ac47a9e00978b34d6c20341f3e2cdb56/lib/trace/trace_file_snappy.cpp#L215-L235"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/apitrace-2.0-through-14.0-heap-buffer-overflow-via-snappyfile-flushreadcache"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/apitrace/apitrace/blob/18cfd388ac47a9e00978b34d6c20341f3e2cdb56/lib/trace/trace_file_snappy.cpp#L215-L235"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/apitrace/apitrace/commit/3890c5a448addfd75ccbe1bd09e3075de6fb3395"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/apitrace-2.0-through-14.0-heap-buffer-overflow-via-snappyfile-flushreadcache"}],"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/apitrace/apitrace/commit/3890c5a448addfd75ccbe1bd09e3075de6fb3395"}],"revision":"c450ca01eef471714b24350808ee9d60203ae00e426aa7a6e4c929c9c0cd6b1c","sources":[{"modifiedAt":1794329884990,"name":"CNA: VulnCheck","retrievedAt":1794330675538,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126050"},{"modifiedAt":1794331052107,"name":"NVD","retrievedAt":1794336297380,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126050"}],"ssvc":null,"status":"published","title":"apitrace 2.0 through 14.0 Heap Buffer Overflow via SnappyFile::flushReadCache()","updatedAt":1794336297380}