Описание
Security update for MozillaFirefox
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
Список пакетов
SUSE Linux Enterprise Server 12 SP5-LTSS
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5
Ссылки
- Link for SUSE-SU-2026:1127-1
- E-Mail link for SUSE-SU-2026:1127-1
- SUSE Security Ratings
- SUSE Bug 1260083
- SUSE CVE CVE-2025-59375 page
- SUSE CVE CVE-2026-4684 page
- SUSE CVE CVE-2026-4685 page
- SUSE CVE CVE-2026-4686 page
- SUSE CVE CVE-2026-4687 page
- SUSE CVE CVE-2026-4688 page
- SUSE CVE CVE-2026-4689 page
- SUSE CVE CVE-2026-4690 page
- SUSE CVE CVE-2026-4691 page
- SUSE CVE CVE-2026-4692 page
- SUSE CVE CVE-2026-4693 page
- SUSE CVE CVE-2026-4694 page
- SUSE CVE CVE-2026-4695 page
- SUSE CVE CVE-2026-4696 page
- SUSE CVE CVE-2026-4697 page
- SUSE CVE CVE-2026-4698 page
Описание
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
Затронутые продукты
Ссылки
- CVE-2025-59375
- SUSE Bug 1249584
Описание
Race condition, use-after-free in the Graphics: WebRender component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4684
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4685
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4686
- SUSE Bug 1260083
Описание
Sandbox escape due to incorrect boundary conditions in the Telemetry component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4687
- SUSE Bug 1260083
Описание
Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4688
- SUSE Bug 1260083
Описание
Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4689
- SUSE Bug 1260083
Описание
Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4690
- SUSE Bug 1260083
Описание
Use-after-free in the CSS Parsing and Computation component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4691
- SUSE Bug 1260083
Описание
Sandbox escape in the Responsive Design Mode component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4692
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4693
- SUSE Bug 1260083
Описание
Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4694
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4695
- SUSE Bug 1260083
Описание
Use-after-free in the Layout: Text and Fonts component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4696
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4697
- SUSE Bug 1260083
Описание
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4698
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4699
- SUSE Bug 1260083
Описание
Mitigation bypass in the Networking: HTTP component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4700
- SUSE Bug 1260083
Описание
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4701
- SUSE Bug 1260083
Описание
JIT miscompilation in the JavaScript Engine component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4702
- SUSE Bug 1260083
Описание
Denial-of-service in the WebRTC: Signaling component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4704
- SUSE Bug 1260083
Описание
Undefined behavior in the WebRTC: Signaling component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4705
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4706
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4707
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4708
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4709
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Audio/Video component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4710
- SUSE Bug 1260083
Описание
Use-after-free in the Widget: Cocoa component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4711
- SUSE Bug 1260083
Описание
Information disclosure in the Widget: Cocoa component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4712
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4713
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Audio/Video component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4714
- SUSE Bug 1260083
Описание
Uninitialized memory in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4715
- SUSE Bug 1260083
Описание
Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4716
- SUSE Bug 1260083
Описание
Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4717
- SUSE Bug 1260083
Описание
Undefined behavior in the WebRTC: Signaling component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4718
- SUSE Bug 1260083
Описание
Incorrect boundary conditions in the Graphics: Text component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4719
- SUSE Bug 1260083
Описание
Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4720
- SUSE Bug 1260083
Описание
Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Затронутые продукты
Ссылки
- CVE-2026-4721
- SUSE Bug 1260083