{"schemaVersion":3,"id":"USN-5423-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"clamav vulnerabilities\n\nUSN-5423-1 fixed several vulnerabilities in ClamAV. This update provides\nthe corresponding update for Ubuntu 14.04 ESM and 16.04 ESM.\n\n\nOriginal advisory details:\n\n Michał Dardas discovered that ClamAV incorrectly handled parsing CHM files.\n A remote attacker could possibly use this issue to cause ClamAV to stop\n responding, resulting in a denial of service.  (CVE-2022-20770)\n\n Michał Dardas discovered that ClamAV incorrectly handled parsing TIFF\n files. A remote attacker could possibly use this issue to cause ClamAV to\n stop responding, resulting in a denial of service. (CVE-2022-20771)\n\n Michał Dardas discovered that ClamAV incorrectly handled parsing HTML\n files. A remote attacker could possibly use this issue to cause ClamAV to\n consume resources, resulting in a denial of service. (CVE-2022-20785)\n\n Michał Dardas discovered that ClamAV incorrectly handled loading the\n signature database. A remote attacker could possibly use this issue to\n cause ClamAV to crash, resulting in a denial of service, or possibly\n execute arbitrary code. (CVE-2022-20792)\n\n Alexander Patrakov and Antoine Gatineau discovered that ClamAV incorrectly\n handled the scan verdict cache check. A remote attacker could possibly use\n this issue to cause ClamAV to crash, resulting in a denial of service, or\n possibly execute arbitrary code.(CVE-2022-20796)","dates":{"published":"2022-05-17T15:36:09.000Z","modified":"2026-06-29T13:49:37.961Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"clamav","name":"clamav","label":"clamav","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/clamav","purlType":"deb","versions":[{"text":"< 0.103.6+dfsg-0ubuntu0.14.04.1+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 0.103.6+dfsg-0ubuntu0.16.04.1+esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.103.6+dfsg-0ubuntu0.14.04.1+esm1 | < 0.103.6+dfsg-0ubuntu0.16.04.1+esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5423-2","label":"ubuntu.com/security/notices/USN-5423-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-20770","label":"ubuntu.com/security/CVE-2022-20770","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-20771","label":"ubuntu.com/security/CVE-2022-20771","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-20785","label":"ubuntu.com/security/CVE-2022-20785","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-20792","label":"ubuntu.com/security/CVE-2022-20792","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-20796","label":"ubuntu.com/security/CVE-2022-20796","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2022-20770","CVE-2022-20771","CVE-2022-20785","CVE-2022-20792","CVE-2022-20796"],"downstream":[],"duplicates":[],"related":["CVE-2022-20770","CVE-2022-20771","CVE-2022-20785","CVE-2022-20792","CVE-2022-20796"]},"timeline":[{"kind":"published","date":"2022-05-17T15:36:09.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-29T13:49:37.961Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T16:59:33.155Z","stale":false,"partial":false}}