{"schemaVersion":3,"id":"OPENSUSE-SU-2026:20486-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for MozillaFirefox\n\nThis update for MozillaFirefox fixes the following issues:\n\nUpdate to Firefox Extended Support Release 140.9.1 ESR (bsc#1261663).\n\n- MFSA 2026-27:\n  * CVE-2026-5731: memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1,\n    Firefox 149.0.2 and Thunderbird 149.0.2.\n  * CVE-2026-5732: incorrect boundary conditions, integer overflow in the Graphics: Text component.\n  * CVE-2026-5734: memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and\n    Thunderbird 149.0.2.","dates":{"published":"2026-04-09T12:58:07.000Z","modified":"2026-04-22T18:26:37.450Z","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":"opensuse","product":"MozillaFirefox&distro=openSUSE Leap 16.0","name":"MozillaFirefox","label":"MozillaFirefox&distro=openSUSE Leap 16.0","ecosystem":"openSUSE","cpePart":null,"purl":"pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE Leap 16.0","purlType":"rpm","versions":[{"text":"< 140.9.1-160000.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.9.1-160000.1.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.suse.com/1261663","label":"bugzilla.suse.com/1261663","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5731","label":"www.suse.com/security/cve/CVE-2026-5731","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5732","label":"www.suse.com/security/cve/CVE-2026-5732","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5734","label":"www.suse.com/security/cve/CVE-2026-5734","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2026-5731","CVE-2026-5732","CVE-2026-5734"],"downstream":[],"duplicates":[],"related":["CVE-2026-5731","CVE-2026-5732","CVE-2026-5734"]},"timeline":[{"kind":"published","date":"2026-04-09T12:58:07.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T18:26:37.450Z","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":"2026-10-22T06:58:05.004Z","stale":false,"partial":false}}