{"schemaVersion":3,"id":"USN-8703-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"webkit2gtk vulnerabilities\n\nSeveral security issues were discovered in the WebKitGTK Web and JavaScript\nengines. If a user were tricked into viewing a malicious website, a remote\nattacker could exploit a variety of issues related to web browser security,\nincluding cross-site scripting attacks, denial of service attacks, and\narbitrary code execution.","dates":{"published":"2026-08-31T12:46:51.000Z","modified":"2026-08-31T22:26:22.372Z","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":"< 2.52.6-0ubuntu0.24.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 2.52.6-0ubuntu0.26.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.52.6-0ubuntu0.24.04.1 | < 2.52.6-0ubuntu0.26.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8703-1","label":"ubuntu.com/security/notices/USN-8703-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-28847","label":"ubuntu.com/security/CVE-2026-28847","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28883","label":"ubuntu.com/security/CVE-2026-28883","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28901","label":"ubuntu.com/security/CVE-2026-28901","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28902","label":"ubuntu.com/security/CVE-2026-28902","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28903","label":"ubuntu.com/security/CVE-2026-28903","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28904","label":"ubuntu.com/security/CVE-2026-28904","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28905","label":"ubuntu.com/security/CVE-2026-28905","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28907","label":"ubuntu.com/security/CVE-2026-28907","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28942","label":"ubuntu.com/security/CVE-2026-28942","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28946","label":"ubuntu.com/security/CVE-2026-28946","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28947","label":"ubuntu.com/security/CVE-2026-28947","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28953","label":"ubuntu.com/security/CVE-2026-28953","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28955","label":"ubuntu.com/security/CVE-2026-28955","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28958","label":"ubuntu.com/security/CVE-2026-28958","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-28984","label":"ubuntu.com/security/CVE-2026-28984","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-39872","label":"ubuntu.com/security/CVE-2026-39872","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43658","label":"ubuntu.com/security/CVE-2026-43658","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43660","label":"ubuntu.com/security/CVE-2026-43660","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43663","label":"ubuntu.com/security/CVE-2026-43663","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43676","label":"ubuntu.com/security/CVE-2026-43676","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43699","label":"ubuntu.com/security/CVE-2026-43699","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43701","label":"ubuntu.com/security/CVE-2026-43701","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43705","label":"ubuntu.com/security/CVE-2026-43705","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43707","label":"ubuntu.com/security/CVE-2026-43707","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43712","label":"ubuntu.com/security/CVE-2026-43712","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43713","label":"ubuntu.com/security/CVE-2026-43713","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43715","label":"ubuntu.com/security/CVE-2026-43715","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43716","label":"ubuntu.com/security/CVE-2026-43716","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43720","label":"ubuntu.com/security/CVE-2026-43720","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43721","label":"ubuntu.com/security/CVE-2026-43721","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43725","label":"ubuntu.com/security/CVE-2026-43725","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43726","label":"ubuntu.com/security/CVE-2026-43726","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43727","label":"ubuntu.com/security/CVE-2026-43727","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43731","label":"ubuntu.com/security/CVE-2026-43731","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43732","label":"ubuntu.com/security/CVE-2026-43732","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43734","label":"ubuntu.com/security/CVE-2026-43734","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43740","label":"ubuntu.com/security/CVE-2026-43740","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43742","label":"ubuntu.com/security/CVE-2026-43742","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43745","label":"ubuntu.com/security/CVE-2026-43745","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43804","label":"ubuntu.com/security/CVE-2026-43804","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-64713","label":"ubuntu.com/security/CVE-2026-64713","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-64719","label":"ubuntu.com/security/CVE-2026-64719","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-64728","label":"ubuntu.com/security/CVE-2026-64728","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-64730","label":"ubuntu.com/security/CVE-2026-64730","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-64757","label":"ubuntu.com/security/CVE-2026-64757","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-64783","label":"ubuntu.com/security/CVE-2026-64783","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-64787","label":"ubuntu.com/security/CVE-2026-64787","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2026-28847","CVE-2026-28883","CVE-2026-28901","CVE-2026-28902","CVE-2026-28903","CVE-2026-28904","CVE-2026-28905","CVE-2026-28907","CVE-2026-28942","CVE-2026-28946","CVE-2026-28947","CVE-2026-28953","CVE-2026-28955","CVE-2026-28958","CVE-2026-28984","CVE-2026-39872","CVE-2026-43658","CVE-2026-43660","CVE-2026-43663","CVE-2026-43676","CVE-2026-43699","CVE-2026-43701","CVE-2026-43705","CVE-2026-43707","CVE-2026-43712","CVE-2026-43713","CVE-2026-43715","CVE-2026-43716","CVE-2026-43720","CVE-2026-43721","CVE-2026-43725","CVE-2026-43726","CVE-2026-43727","CVE-2026-43731","CVE-2026-43732","CVE-2026-43734","CVE-2026-43740","CVE-2026-43742","CVE-2026-43745","CVE-2026-43804","CVE-2026-64713","CVE-2026-64719","CVE-2026-64728","CVE-2026-64730","CVE-2026-64757","CVE-2026-64783","CVE-2026-64787"],"downstream":[],"duplicates":[],"related":["CVE-2026-28847","CVE-2026-28883","CVE-2026-28901","CVE-2026-28902","CVE-2026-28903","CVE-2026-28904","CVE-2026-28905","CVE-2026-28907","CVE-2026-28942","CVE-2026-28946","CVE-2026-28947","CVE-2026-28953","CVE-2026-28955","CVE-2026-28958","CVE-2026-28984","CVE-2026-39872","CVE-2026-43658","CVE-2026-43660","CVE-2026-43663","CVE-2026-43676","CVE-2026-43699","CVE-2026-43701","CVE-2026-43705","CVE-2026-43707","CVE-2026-43712","CVE-2026-43713","CVE-2026-43715","CVE-2026-43716","CVE-2026-43720","CVE-2026-43721","CVE-2026-43725","CVE-2026-43726","CVE-2026-43727","CVE-2026-43731","CVE-2026-43732","CVE-2026-43734","CVE-2026-43740","CVE-2026-43742","CVE-2026-43745","CVE-2026-43804","CVE-2026-64713","CVE-2026-64719","CVE-2026-64728","CVE-2026-64730","CVE-2026-64757","CVE-2026-64783","CVE-2026-64787"]},"timeline":[{"kind":"published","date":"2026-08-31T12:46:51.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-31T22:26:22.372Z","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":"2026-10-20T19:34:29.969Z","stale":false,"partial":false}}