OPENSUSE-SU-2026:21594-1: MozillaFirefox&distro=openSUSE Leap 16.0 openSUSE

Vulnerability summary

OPENSUSE-SU-2026:21594-1 is a vulnerability in MozillaFirefox&distro=openSUSE Leap 16.0 openSUSE with no CVSS score yet.

Timeline

1. 19-08-2026
   PublishedVulnerability first disclosed.
2. 21-08-2026
   Last modifiedVulnerability information updated.

Description

Security update for MozillaFirefox This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.14.0 ESR. - MFSA 2026-76 (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-2026-74939: 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-2026-74948: Information disclosure in the Graphics component * CVE-2026-74949: Privilege escalation due to use-after-free in the Graphics:Canvas2D component * CVE-2026-74953: Privilege escalation in the Networking: Cookies component * CVE-2026-74957: Mitigation bypass in the Safe Browsing component * CVE-2026-74959: Mitigation bypass in the Storage: Cache API component * CVE-2026-74960: Site isolation issue in the WebExtensions 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-2026-74967: Same-origin policy bypass in the Audio/Video: Playback component * CVE-2026-74969: Use-after-free in the Layout: Text and Fonts 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-2026-74976: JIT miscompilation in the JavaScript Engine: JIT component * CVE-2026-74983: Mitigation bypass in the Data Loss Prevention component * CVE-2026-74987: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and 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

No weakness data has been published for this record.