{"schemaVersion":3,"id":"USN-4422-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"webkit2gtk vulnerabilities\n\nA large number of security issues were discovered in the WebKitGTK Web and\nJavaScript engines. If a user were tricked into viewing a malicious\nwebsite, a remote attacker could exploit a variety of issues related to web\nbrowser security, including cross-site scripting attacks, denial of service\nattacks, and arbitrary code execution.","dates":{"published":"2020-07-14T14:08:23.000Z","modified":"2026-04-22T10:06:40.245Z","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":"webkit2gtk","name":"webkit2gtk","label":"webkit2gtk","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/webkit2gtk","purlType":"deb","versions":[{"text":"< 2.28.3-0ubuntu0.18.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 2.28.3-0ubuntu0.20.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.28.3-0ubuntu0.18.04.1 | < 2.28.3-0ubuntu0.20.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4422-1","label":"ubuntu.com/security/notices/USN-4422-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-9802","label":"ubuntu.com/security/CVE-2020-9802","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-9803","label":"ubuntu.com/security/CVE-2020-9803","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-9805","label":"ubuntu.com/security/CVE-2020-9805","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-9806","label":"ubuntu.com/security/CVE-2020-9806","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-9807","label":"ubuntu.com/security/CVE-2020-9807","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-9843","label":"ubuntu.com/security/CVE-2020-9843","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-9850","label":"ubuntu.com/security/CVE-2020-9850","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-13753","label":"ubuntu.com/security/CVE-2020-13753","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2020-13753","CVE-2020-9802","CVE-2020-9803","CVE-2020-9805","CVE-2020-9806","CVE-2020-9807","CVE-2020-9843","CVE-2020-9850"],"downstream":[],"duplicates":[],"related":["CVE-2020-13753","CVE-2020-9802","CVE-2020-9803","CVE-2020-9805","CVE-2020-9806","CVE-2020-9807","CVE-2020-9843","CVE-2020-9850"]},"timeline":[{"kind":"published","date":"2020-07-14T14:08:23.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T10:06:40.245Z","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":"2026-10-19T11:17:59.206Z","stale":false,"partial":false}}