SUSE-SU-2026:3658-1

SUSE-SU-2026:3658-1 · Security update for MozillaFirefox

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.14.0 ESR. - MFSA 2026-74 (bsc#1274867) - CVE-2026-74934: Site isolation issue in the Graphics: CanvasWebGL component. - CVE-2026-74935: Privilege escalation in the DOM: Networking component. - CVE-2026-74936: Use-after-free in the JavaScript: WebAssembly component. - CVE-2026-74937: Use-after-free in the JavaScript: GC component. - CVE-2026-74938: Mitigation bypass in the JavaScript: GC component. - CVE-2026-74939: Privilege escalation in the DOM: Navigation component. - CVE-2026-74940: Use-after-free in the Graphics: Text component. - CVE-2026-74941: Privilege escalation in the Graphics: CanvasWebGL component. - CVE-2026-74942: Privilege escalation in the Remote Settings Client component. - CVE-2026-74943: Use-after-free in the Graphics: ImageLib component. - CVE-2026-74944: Use-after-free in the DOM: Core & HTML component. - CVE-2026-74945: Information disclosure in the Graphics: Text component. - CVE-2026-74946: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. - CVE-2026-74947: Privilege escalation due to invalid pointer in the Graphics component. - CVE-2026-74948: Information disclosure in the Graphics component. - CVE-2026-74949: Privilege escalation due to use-after-free in the Graphics: Canvas2D component. - CVE-2026-74950: Privilege escalation in the Downloads API component. - CVE-2026-74951: Clickjacking issue in Firefox for Android. - CVE-2026-74952: Privilege escalation in the Application Update component. - CVE-2026-74953: Privilege escalation in the Networking: Cookies component. - CVE-2026-74954: Information disclosure due to side-channel in the Storage: Cache API component. - CVE-2026-74955: Privilege escalation in the Request Handling component. - CVE-2026-74956: Same-origin policy bypass in the DOM: Service Workers component. - CVE-2026-74957: Mitigation bypass in the Safe Browsing component. - CVE-2026-74958: Information disclosure in the WebRTC component. - CVE-2026-74959: Mitigation bypass in the Storage: Cache API component. - CVE-2026-74960: Site isolation issue in the WebExtensions component. - CVE-2026-74961: Side-channel in the Web Audio component. - CVE-2026-74962: Site isolation issue in the Networking: Cookies component. - CVE-2026-74963: Same-origin policy bypass in the Networking: Cookies component. - CVE-2026-74964: Integer overflow in the Graphics component. - CVE-2026-74965: Privilege escalation in the Shell Integration component. - CVE-2026-74966: Information disclosure in the Form Autofill component. - CVE-2026-74967: Same-origin policy bypass in the Audio/Video: Playback component. - CVE-2026-74968: Site isolation issue in the Graphics: WebRender component. - CVE-2026-74969: Use-after-free in the Layout: Text and Fonts component. - CVE-2026-74970: Site isolation issue in the Graphics component. - CVE-2026-74971: Information disclosure in the DOM: UI Events & Focus Handling component. - CVE-2026-74972: Information disclosure in the DOM: Push Subscriptions component. - CVE-2026-74973: Race condition, use-after-free in the Graphics component. - CVE-2026-74974: Same-origin policy bypass in the Graphics: ImageLib component. - CVE-2026-74975: Spoofing issue in the Downloads component in Firefox for Android. - CVE-2026-74976: JIT miscompilation in the JavaScript Engine: JIT component. - CVE-2026-74977: Integer overflow in the Graphics component. - CVE-2026-74978: Clickjacking issue in the Widget component. - CVE-2026-74979: Mitigation bypass in the Add-ons Manager component. - CVE-2026-74980: Clickjacking issue in the Downloads component in Firefox for Android. - CVE-2026-74981: Site isolation issue in the Audio/Video: Web Codecs component. - CVE-2026-74982: Denial-of-service in the Widget component. - CVE-2026-74983: Mitigation bypass in the Data Loss Prevention component. - CVE-2026-74984: Race condition in the JavaScript Engine component. - CVE-2026-74985: Privilege escalation in the Enterprise Policies component. - CVE-2026-74986: Site isolation issue in the CSS Parsing and Computation component. - CVE-2026-74987: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154. - CVE-2026-74988: Internally found bugs fixed in Firefox ESR 153.1 and Firefox 154. - CVE-2026-74989: Internally found bugs fixed in Firefox 154. - CVE-2026-74990: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154. - CVE-2026-75874: Sandbox escape in the Remote Settings Client component.

Fix available

Published

2026-08-20T17:16:18Z

Updated

2026-08-21T09:15:05.934592615Z

Stack: system

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