{"id":"CVE-2026-88341","title":"A reachable assertion vulnerability exists in YARA 4.5.8 when loading crafted .yrc compiled rule files","summary":"A reachable assertion vulnerability exists in YARA 4.5.8 when loading crafted .yrc compiled rule files. An attacker can provide a malicious file with an invalid arena configuration (num_buffers=0) that triggers an assertion failure in yr…","severity":"none","published":"2026-09-22","updated":"2026-09-22","sourceUpdated":"2026-09-22T20:17:10.370","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88341","references":[{"url":"https://github.com/NOUIY/yara/commit/0cdff36723cd260243bb2b330bda555693354760","label":"cve@mitre.org"},{"url":"https://github.com/VirusTotal/yara/issues/2238","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-22T20:10:15.097Z","slug":"CVE-2026-88341","body":"## Overview\n\nA reachable assertion vulnerability exists in YARA 4.5.8 when loading crafted .yrc compiled rule files. An attacker can provide a malicious file with an invalid arena configuration (num_buffers=0) that triggers an assertion failure in yr_arena_get_ptr(), causing the application to terminate.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}