{"affected":[{"defaultStatus":"unaffected","product":"Kvazaar","source":"CNA: VulnCheck","vendor":"Ultra Video Group","versions":[{"lessThanOrEqual":"2.3.2","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-120458","cwes":["CWE-835"],"description":"Kvazaar through 2.3.2 contains an infinite loop vulnerability in read_header() in src/encmain.c that allows attackers to hang the command-line encoder by supplying a truncated Y4M header. Attackers can provide a crafted .y4m file lacking a terminating newline, causing unchecked EOF reads that hang the process indefinitely while consuming a full CPU core.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":6.8,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":5.5,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793629755073,"publishedAt":1793629755073,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/ultravideo/kvazaar/issues/452"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/ultravideo/kvazaar/commit/8a2f109be283e87008c679d635966cc034da39c6"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/ultravideo/kvazaar/blob/v2.3.2/src/encmain.c#L339-L357"},{"source":"CNA: VulnCheck","tags":["release-notes"],"url":"https://github.com/ultravideo/kvazaar/releases/tag/v2.3.2"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://hackmd.io/@haindpwn/kvazaar-y4m-header-missing-newline-infinite-loop"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/kvazaar-through-2.3.2-infinite-loop-dos-via-y4m-header-parser"}],"remediation":[],"revision":"2edbaa8e661b5fd66022e123fb081b0ab28b9fda998032d5f055b168e71be511","sources":[{"modifiedAt":1793629755073,"name":"CNA: VulnCheck","retrievedAt":1793632136052,"url":"https://www.cve.org/CVERecord?id=CVE-2026-120458"}],"ssvc":null,"status":"published","title":"Kvazaar through 2.3.2 Infinite Loop DoS via Y4M Header Parser","updatedAt":1793632136052}