{"schemaVersion":3,"id":"USN-4971-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libwebp vulnerabilities\n\nIt was discovered that libwebp incorrectly handled certain malformed\nimages. If a user or automated system were tricked into opening a specially\ncrafted image file, a remote attacker could use this issue to cause libwebp\nto crash, resulting in a denial of service, or possibly execute arbitrary\ncode.","dates":{"published":"2021-06-01T11:29:35.000Z","modified":"2026-04-27T16:03:37.683Z","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":"libwebp","name":"libwebp","label":"libwebp","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libwebp","purlType":"deb","versions":[{"text":"< 0.6.1-2ubuntu0.18.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 0.6.1-2ubuntu0.20.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.6.1-2ubuntu0.18.04.1 | < 0.6.1-2ubuntu0.20.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4971-1","label":"ubuntu.com/security/notices/USN-4971-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-25009","label":"ubuntu.com/security/CVE-2018-25009","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-25010","label":"ubuntu.com/security/CVE-2018-25010","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-25011","label":"ubuntu.com/security/CVE-2018-25011","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-25012","label":"ubuntu.com/security/CVE-2018-25012","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-25013","label":"ubuntu.com/security/CVE-2018-25013","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-25014","label":"ubuntu.com/security/CVE-2018-25014","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-36328","label":"ubuntu.com/security/CVE-2020-36328","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-36329","label":"ubuntu.com/security/CVE-2020-36329","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-36330","label":"ubuntu.com/security/CVE-2020-36330","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-36331","label":"ubuntu.com/security/CVE-2020-36331","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-36332","label":"ubuntu.com/security/CVE-2020-36332","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2018-25009","CVE-2018-25010","CVE-2018-25011","CVE-2018-25012","CVE-2018-25013","CVE-2018-25014","CVE-2020-36328","CVE-2020-36329","CVE-2020-36330","CVE-2020-36331","CVE-2020-36332"],"downstream":[],"duplicates":[],"related":["CVE-2018-25009","CVE-2018-25010","CVE-2018-25011","CVE-2018-25012","CVE-2018-25013","CVE-2018-25014","CVE-2020-36328","CVE-2020-36329","CVE-2020-36330","CVE-2020-36331","CVE-2020-36332"]},"timeline":[{"kind":"published","date":"2021-06-01T11:29:35.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T16:03:37.683Z","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":"2026-10-20T17:03:25.745Z","stale":false,"partial":false}}