{"schemaVersion":3,"id":"USN-7191-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"firefox vulnerabilities\n\nMultiple security issues were discovered in Firefox. If a user were\ntricked into opening a specially crafted website, an attacker could\npotentially exploit these to cause a denial of service, obtain sensitive\ninformation across domains, or execute arbitrary code. (CVE-2025-0237,\nCVE-2025-0239, CVE-2025-0240, CVE-2025-0242, CVE-2025-0243, CVE-2025-0247)\n\nIrvan Kurniawan discovered that Firefox incorrectly handled memory when\nbreaking lines in text, leading to a use-after-free vulnerability. An\nattacker could possibly use this issue to cause a denial of service or\npossibly execute arbitrary code. (CVE-2025-0238)\n\nNils Bars discovered that Firefox incorrectly handled memory when using\nJavaScript Text Segmentation. An attacker could possibly use this issue to\ncause a denial of service. (CVE-2025-0241)","dates":{"published":"2025-01-09T01:37:32.000Z","modified":"2026-04-27T17:39:40.704Z","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":"firefox","name":"firefox","label":"firefox","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/firefox","purlType":"deb","versions":[{"text":"< 134.0+build1-0ubuntu0.20.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 134.0+build1-0ubuntu0.20.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-7191-1","label":"ubuntu.com/security/notices/USN-7191-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-0237","label":"ubuntu.com/security/CVE-2025-0237","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-0238","label":"ubuntu.com/security/CVE-2025-0238","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-0239","label":"ubuntu.com/security/CVE-2025-0239","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-0240","label":"ubuntu.com/security/CVE-2025-0240","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-0241","label":"ubuntu.com/security/CVE-2025-0241","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-0242","label":"ubuntu.com/security/CVE-2025-0242","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-0243","label":"ubuntu.com/security/CVE-2025-0243","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-0247","label":"ubuntu.com/security/CVE-2025-0247","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2025-0237","CVE-2025-0238","CVE-2025-0239","CVE-2025-0240","CVE-2025-0241","CVE-2025-0242","CVE-2025-0243","CVE-2025-0247"],"downstream":[],"duplicates":[],"related":["CVE-2025-0237","CVE-2025-0238","CVE-2025-0239","CVE-2025-0240","CVE-2025-0241","CVE-2025-0242","CVE-2025-0243","CVE-2025-0247"]},"timeline":[{"kind":"published","date":"2025-01-09T01:37:32.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T17:39:40.704Z","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":"2026-10-20T11:42:17.512Z","stale":false,"partial":false}}