Описание
Security update for MozillaFirefox
This update for MozillaFirefox fixes the following issues:
Update to Firefox Extended Support Release 140.7.0 ESR (bsc#1256340).
- MFSA 2026-03
- CVE-2026-0877: Mitigation bypass in the DOM: Security component
- CVE-2026-0878: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component
- CVE-2026-0879: Sandbox escape due to incorrect boundary conditions in the Graphics component
- CVE-2026-0880: Sandbox escape due to integer overflow in the Graphics component
- CVE-2026-0882: Use-after-free in the IPC component
- CVE-2025-14327: Spoofing issue in the Downloads Panel component
- CVE-2026-0883: Information disclosure in the Networking component
- CVE-2026-0884: Use-after-free in the JavaScript Engine component
- CVE-2026-0885: Use-after-free in the JavaScript: GC component
- CVE-2026-0886: Incorrect boundary conditions in the Graphics component
- CVE-2026-0887: Clickjacking issue, information disclosure in the PDF Viewer component
- CVE-2026-0890: Spoofing issue in the DOM: Copy-Paste and Drag-Drop component
- CVE-2026-0891: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147
Список пакетов
Image SLES15-SP4-SAP-Azure-LI-BYOS
Image SLES15-SP4-SAP-Azure-LI-BYOS-Production
Image SLES15-SP4-SAP-Azure-VLI-BYOS
Image SLES15-SP4-SAP-Azure-VLI-BYOS-Production
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS
SUSE Linux Enterprise Module for Desktop Applications 15 SP7
SUSE Linux Enterprise Server 15 SP4-LTSS
SUSE Linux Enterprise Server 15 SP5-LTSS
SUSE Linux Enterprise Server 15 SP6-LTSS
SUSE Linux Enterprise Server for SAP Applications 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15 SP5
SUSE Linux Enterprise Server for SAP Applications 15 SP6
openSUSE Leap 15.6
Ссылки
- Link for SUSE-SU-2026:0260-1
- E-Mail link for SUSE-SU-2026:0260-1
- SUSE Security Ratings
- SUSE Bug 1256340
- SUSE CVE CVE-2025-14327 page
- SUSE CVE CVE-2026-0877 page
- SUSE CVE CVE-2026-0878 page
- SUSE CVE CVE-2026-0879 page
- SUSE CVE CVE-2026-0880 page
- SUSE CVE CVE-2026-0882 page
- SUSE CVE CVE-2026-0883 page
- SUSE CVE CVE-2026-0884 page
- SUSE CVE CVE-2026-0885 page
- SUSE CVE CVE-2026-0886 page
- SUSE CVE CVE-2026-0887 page
- SUSE CVE CVE-2026-0890 page
- SUSE CVE CVE-2026-0891 page
Описание
Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146, Thunderbird < 146, Firefox ESR < 140.7, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2025-14327
- SUSE Bug 1254551
Описание
Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0877
- SUSE Bug 1256340
Описание
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0878
- SUSE Bug 1256340
Описание
Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0879
- SUSE Bug 1256340
Описание
Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0880
- SUSE Bug 1256340
Описание
Use-after-free in the IPC component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0882
- SUSE Bug 1256340
Описание
Information disclosure in the Networking component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0883
- SUSE Bug 1256340
Описание
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0884
- SUSE Bug 1256340
Описание
Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0885
- SUSE Bug 1256340
Описание
Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0886
- SUSE Bug 1256340
Описание
Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0887
- SUSE Bug 1256340
Описание
Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0890
- SUSE Bug 1256340
Описание
Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. 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 < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Затронутые продукты
Ссылки
- CVE-2026-0891
- SUSE Bug 1256340