{"schemaVersion":3,"id":"SUSE-SU-2026:3683-1","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 140.14.0 ESR.\n\n- MFSA 2026-74 (bsc#1274867):\n  - CVE-2026-74934: Site isolation issue in the Graphics: CanvasWebGL component.\n  - CVE-2026-74935: Privilege escalation in the DOM: Networking component.\n  - CVE-2026-74936: Use-after-free in the JavaScript: WebAssembly component.\n  - CVE-2026-74937: Use-after-free in the JavaScript: GC component.\n  - CVE-2026-74938: Mitigation bypass in the JavaScript: GC component.\n  - CVE-2026-74939: Privilege escalation in the DOM: Navigation component.\n  - CVE-2026-74940: Use-after-free in the Graphics: Text component.\n  - CVE-2026-74941: Privilege escalation in the Graphics: CanvasWebGL component.\n  - CVE-2026-74942: Privilege escalation in the Remote Settings Client component.\n  - CVE-2026-74943: Use-after-free in the Graphics: ImageLib component.\n  - CVE-2026-74944: Use-after-free in the DOM: Core & HTML component.\n  - CVE-2026-74945: Information disclosure in the Graphics: Text component.\n  - CVE-2026-74946: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component.\n  - CVE-2026-74947: Privilege escalation due to invalid pointer in the Graphics component.\n  - CVE-2026-74948: Information disclosure in the Graphics component.\n  - CVE-2026-74949: Privilege escalation due to use-after-free in the Graphics: Canvas2D component.\n  - CVE-2026-74950: Privilege escalation in the Downloads API component.\n  - CVE-2026-74951: Clickjacking issue in Firefox for Android.\n  - CVE-2026-74952: Privilege escalation in the Application Update component.\n  - CVE-2026-74953: Privilege escalation in the Networking: Cookies component.\n  - CVE-2026-74954: Information disclosure due to side-channel in the Storage: Cache API component.\n  - CVE-2026-74955: Privilege escalation in the Request Handling component.\n  - CVE-2026-74956: Same-origin policy bypass in the DOM: Service Workers component.\n  - CVE-2026-74957: Mitigation bypass in the Safe Browsing component.\n  - CVE-2026-74958: Information disclosure in the WebRTC component.\n  - CVE-2026-74959: Mitigation bypass in the Storage: Cache API component.\n  - CVE-2026-74960: Site isolation issue in the WebExtensions component.\n  - CVE-2026-74961: Side-channel in the Web Audio component.\n  - CVE-2026-74962: Site isolation issue in the Networking: Cookies component.\n  - CVE-2026-74963: Same-origin policy bypass in the Networking: Cookies component.\n  - CVE-2026-74964: Integer overflow in the Graphics component.\n  - CVE-2026-74965: Privilege escalation in the Shell Integration component.\n  - CVE-2026-74966: Information disclosure in the Form Autofill component.\n  - CVE-2026-74967: Same-origin policy bypass in the Audio/Video: Playback component.\n  - CVE-2026-74968: Site isolation issue in the Graphics: WebRender component.\n  - CVE-2026-74969: Use-after-free in the Layout: Text and Fonts component.\n  - CVE-2026-74970: Site isolation issue in the Graphics component.\n  - CVE-2026-74971: Information disclosure in the DOM: UI Events & Focus Handling component.\n  - CVE-2026-74972: Information disclosure in the DOM: Push Subscriptions component.\n  - CVE-2026-74973: Race condition, use-after-free in the Graphics component.\n  - CVE-2026-74974: Same-origin policy bypass in the Graphics: ImageLib component.\n  - CVE-2026-74975: Spoofing issue in the Downloads component in Firefox for Android.\n  - CVE-2026-74976: JIT miscompilation in the JavaScript Engine: JIT component.\n  - CVE-2026-74977: Integer overflow in the Graphics component.\n  - CVE-2026-74978: Clickjacking issue in the Widget component.\n  - CVE-2026-74979: Mitigation bypass in the Add-ons Manager component.\n  - CVE-2026-74980: Clickjacking issue in the Downloads component in Firefox for Android.\n  - CVE-2026-74981: Site isolation issue in the Audio/Video: Web Codecs component.\n  - CVE-2026-74982: Denial-of-service in the Widget component.\n  - CVE-2026-74983: Mitigation bypass in the Data Loss Prevention component.\n  - CVE-2026-74984: Race condition in the JavaScript Engine component.\n  - CVE-2026-74985: Privilege escalation in the Enterprise Policies component.\n  - CVE-2026-74986: Site isolation issue in the CSS Parsing and Computation component.\n  - CVE-2026-74987: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154.\n  - CVE-2026-74988: Internally found bugs fixed in Firefox ESR 153.1 and Firefox 154.\n  - CVE-2026-74989: Internally found bugs fixed in Firefox 154.\n  - CVE-2026-74990: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and\n    Firefox 154.\n  - CVE-2026-75874: Sandbox escape in the Remote Settings Client component.","dates":{"published":"2026-08-21T18:21:16.000Z","modified":"2026-08-26T18:23:32.608Z","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":"suse","product":"MozillaFirefox&distro=SUSE Linux Enterprise Server 12 SP5-LTSS","name":"MozillaFirefox","label":"MozillaFirefox&distro=SUSE Linux Enterprise Server 12 SP5-LTSS","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE Linux Enterprise Server 12 SP5-LTSS","purlType":"rpm","versions":[{"text":"< 140.14.0-112.327.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.14.0-112.327.1","eol":null,"hubHref":null},{"vendor":"suse","product":"MozillaFirefox&distro=SUSE Linux Enterprise Server LTSS Extended Security 12 SP5","name":"MozillaFirefox","label":"MozillaFirefox&distro=SUSE Linux Enterprise Server LTSS Extended Security 12 SP5","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE Linux Enterprise Server LTSS Extended Security 12 SP5","purlType":"rpm","versions":[{"text":"< 140.14.0-112.327.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.14.0-112.327.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263683-1/","label":"www.suse.com/support/update/announcement/2026/suse-su-20263683-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1274867","label":"bugzilla.suse.com/1274867","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74934","label":"www.suse.com/security/cve/CVE-2026-74934","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74935","label":"www.suse.com/security/cve/CVE-2026-74935","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74936","label":"www.suse.com/security/cve/CVE-2026-74936","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74937","label":"www.suse.com/security/cve/CVE-2026-74937","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74938","label":"www.suse.com/security/cve/CVE-2026-74938","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74939","label":"www.suse.com/security/cve/CVE-2026-74939","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74940","label":"www.suse.com/security/cve/CVE-2026-74940","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74941","label":"www.suse.com/security/cve/CVE-2026-74941","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74942","label":"www.suse.com/security/cve/CVE-2026-74942","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74943","label":"www.suse.com/security/cve/CVE-2026-74943","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74944","label":"www.suse.com/security/cve/CVE-2026-74944","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74945","label":"www.suse.com/security/cve/CVE-2026-74945","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74946","label":"www.suse.com/security/cve/CVE-2026-74946","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74947","label":"www.suse.com/security/cve/CVE-2026-74947","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74948","label":"www.suse.com/security/cve/CVE-2026-74948","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74949","label":"www.suse.com/security/cve/CVE-2026-74949","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74950","label":"www.suse.com/security/cve/CVE-2026-74950","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74951","label":"www.suse.com/security/cve/CVE-2026-74951","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74952","label":"www.suse.com/security/cve/CVE-2026-74952","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74953","label":"www.suse.com/security/cve/CVE-2026-74953","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74954","label":"www.suse.com/security/cve/CVE-2026-74954","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74955","label":"www.suse.com/security/cve/CVE-2026-74955","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74956","label":"www.suse.com/security/cve/CVE-2026-74956","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74957","label":"www.suse.com/security/cve/CVE-2026-74957","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74958","label":"www.suse.com/security/cve/CVE-2026-74958","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74959","label":"www.suse.com/security/cve/CVE-2026-74959","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74960","label":"www.suse.com/security/cve/CVE-2026-74960","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74961","label":"www.suse.com/security/cve/CVE-2026-74961","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74962","label":"www.suse.com/security/cve/CVE-2026-74962","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74963","label":"www.suse.com/security/cve/CVE-2026-74963","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74964","label":"www.suse.com/security/cve/CVE-2026-74964","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74965","label":"www.suse.com/security/cve/CVE-2026-74965","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74966","label":"www.suse.com/security/cve/CVE-2026-74966","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74967","label":"www.suse.com/security/cve/CVE-2026-74967","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74968","label":"www.suse.com/security/cve/CVE-2026-74968","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74969","label":"www.suse.com/security/cve/CVE-2026-74969","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74970","label":"www.suse.com/security/cve/CVE-2026-74970","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74971","label":"www.suse.com/security/cve/CVE-2026-74971","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74972","label":"www.suse.com/security/cve/CVE-2026-74972","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74973","label":"www.suse.com/security/cve/CVE-2026-74973","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74974","label":"www.suse.com/security/cve/CVE-2026-74974","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74975","label":"www.suse.com/security/cve/CVE-2026-74975","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74976","label":"www.suse.com/security/cve/CVE-2026-74976","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74977","label":"www.suse.com/security/cve/CVE-2026-74977","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74978","label":"www.suse.com/security/cve/CVE-2026-74978","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74979","label":"www.suse.com/security/cve/CVE-2026-74979","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74980","label":"www.suse.com/security/cve/CVE-2026-74980","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74981","label":"www.suse.com/security/cve/CVE-2026-74981","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74982","label":"www.suse.com/security/cve/CVE-2026-74982","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74983","label":"www.suse.com/security/cve/CVE-2026-74983","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74984","label":"www.suse.com/security/cve/CVE-2026-74984","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74985","label":"www.suse.com/security/cve/CVE-2026-74985","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74986","label":"www.suse.com/security/cve/CVE-2026-74986","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74987","label":"www.suse.com/security/cve/CVE-2026-74987","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74988","label":"www.suse.com/security/cve/CVE-2026-74988","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74989","label":"www.suse.com/security/cve/CVE-2026-74989","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-74990","label":"www.suse.com/security/cve/CVE-2026-74990","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-75874","label":"www.suse.com/security/cve/CVE-2026-75874","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2026-74934","CVE-2026-74935","CVE-2026-74936","CVE-2026-74937","CVE-2026-74938","CVE-2026-74939","CVE-2026-74940","CVE-2026-74941","CVE-2026-74942","CVE-2026-74943","CVE-2026-74944","CVE-2026-74945","CVE-2026-74946","CVE-2026-74947","CVE-2026-74948","CVE-2026-74949","CVE-2026-74950","CVE-2026-74951","CVE-2026-74952","CVE-2026-74953","CVE-2026-74954","CVE-2026-74955","CVE-2026-74956","CVE-2026-74957","CVE-2026-74958","CVE-2026-74959","CVE-2026-74960","CVE-2026-74961","CVE-2026-74962","CVE-2026-74963","CVE-2026-74964","CVE-2026-74965","CVE-2026-74966","CVE-2026-74967","CVE-2026-74968","CVE-2026-74969","CVE-2026-74970","CVE-2026-74971","CVE-2026-74972","CVE-2026-74973","CVE-2026-74974","CVE-2026-74975","CVE-2026-74976","CVE-2026-74977","CVE-2026-74978","CVE-2026-74979","CVE-2026-74980","CVE-2026-74981","CVE-2026-74982","CVE-2026-74983","CVE-2026-74984","CVE-2026-74985","CVE-2026-74986","CVE-2026-74987","CVE-2026-74988","CVE-2026-74989","CVE-2026-74990","CVE-2026-75874"],"downstream":[],"duplicates":[],"related":["CVE-2026-74934","CVE-2026-74935","CVE-2026-74936","CVE-2026-74937","CVE-2026-74938","CVE-2026-74939","CVE-2026-74940","CVE-2026-74941","CVE-2026-74942","CVE-2026-74943","CVE-2026-74944","CVE-2026-74945","CVE-2026-74946","CVE-2026-74947","CVE-2026-74948","CVE-2026-74949","CVE-2026-74950","CVE-2026-74951","CVE-2026-74952","CVE-2026-74953","CVE-2026-74954","CVE-2026-74955","CVE-2026-74956","CVE-2026-74957","CVE-2026-74958","CVE-2026-74959","CVE-2026-74960","CVE-2026-74961","CVE-2026-74962","CVE-2026-74963","CVE-2026-74964","CVE-2026-74965","CVE-2026-74966","CVE-2026-74967","CVE-2026-74968","CVE-2026-74969","CVE-2026-74970","CVE-2026-74971","CVE-2026-74972","CVE-2026-74973","CVE-2026-74974","CVE-2026-74975","CVE-2026-74976","CVE-2026-74977","CVE-2026-74978","CVE-2026-74979","CVE-2026-74980","CVE-2026-74981","CVE-2026-74982","CVE-2026-74983","CVE-2026-74984","CVE-2026-74985","CVE-2026-74986","CVE-2026-74987","CVE-2026-74988","CVE-2026-74989","CVE-2026-74990","CVE-2026-75874"]},"timeline":[{"kind":"published","date":"2026-08-21T18:21:16.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-26T18:23:32.608Z","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":"2026-10-22T03:08:10.391Z","stale":false,"partial":false}}