Security update for MozillaFirefox

Open Source Vulnerabilities SUSE-SU-2026:20978-1

This update for MozillaFirefox fixes the following issues: Update to Firefox 140.9.0 ESR (MFSA 2026-22, bsc#1260083): - CVE-2026-4684: Race condition, use-after-free in the Graphics: WebRender component - CVE-2026-4685: Incorrect boundary conditions in the Graphics: Canvas2D component - CVE-2026-4686: Incorrect boundary conditions in the Graphics: Canvas2D component - CVE-2026-4687: Sandbox escape due to incorrect boundary conditions in the Telemetry component - CVE-2026-4688: Sandbox escape due to use-after-free in the Disability Access APIs component - CVE-2026-4689: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component - CVE-2026-4690: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component - CVE-2026-4691: Use-after-free in the CSS Parsing and Computation component - CVE-2026-4692: Sandbox escape in the Responsive Design Mode component - CVE-2026-4693: Incorrect boundary conditions in the Audio/Video: Playback component - CVE-2026-4694: Incorrect boundary conditions, integer overflow in the Graphics component - CVE-2026-4695: Incorrect boundary conditions in the Audio/Video: Web Codecs component - CVE-2026-4696: Use-after-free in the Layout: Text and Fonts component - CVE-2026-4697: Incorrect boundary conditions in the Audio/Video: Web Codecs component - CVE-2026-4698: JIT miscompilation in the JavaScript Engine: JIT component - CVE-2026-4699: Incorrect boundary conditions in the Layout: Text and Fonts component - CVE-2026-4700: Mitigation bypass in the Networking: HTTP component - CVE-2026-4701: Use-after-free in the JavaScript Engine component - CVE-2026-4702: JIT miscompilation in the JavaScript Engine component - CVE-2026-4704: Denial-of-service in the WebRTC: Signaling component - CVE-2026-4705: Undefined behavior in the WebRTC: Signaling component - CVE-2026-4706: Incorrect boundary conditions in the Graphics: Canvas2D component - CVE-2026-4707: Incorrect boundary conditions in the Graphics: Canvas2D component - CVE-2026-4708: Incorrect boundary conditions in the Graphics component - CVE-2026-4709: Incorrect boundary conditions in the Audio/Video: GMP component - CVE-2026-4710: Incorrect boundary conditions in the Audio/Video component - CVE-2026-4711: Use-after-free in the Widget: Cocoa component - CVE-2026-4712: Information disclosure in the Widget: Cocoa component - CVE-2026-4713: Incorrect boundary conditions in the Graphics component - CVE-2026-4714: Incorrect boundary conditions in the Audio/Video component - CVE-2026-4715: Uninitialized memory in the Graphics: Canvas2D component - CVE-2026-4716: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component - CVE-2026-4717: Privilege escalation in the Netmonitor component - CVE-2025-59375: Denial-of-service in the XML component - CVE-2026-4718: Undefined behavior in the WebRTC: Signaling component - CVE-2026-4719: Incorrect boundary conditions in the Graphics: Text component - CVE-2026-4720: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 - CVE-2026-4721: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149