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Firefox and NSS updates stop possible remote code execution
published 23 days ago
Summary
The Firefox web browser and NSS security library packages from Mageia contain several coding errors that could let an attacker run code, read data, or break out of security sandboxes. This could affect users browsing the web or applications that rely on these components. Install the latest Mageia updates for firefox, firefox-l10n, and nss as soon as possible.
What to do
- Update mageia nss to version 3.130.0-1.mga10.
- Update mageia firefox-l10n to version 153.4.0-1.mga10.
- Update mageia firefox to version 153.4.0-1.mga10.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Mageia:10 | mageia | nss |
< 3.130.0-1.mga10 Fix: upgrade to 3.130.0-1.mga10
|
| Mageia:10 | mageia | firefox-l10n |
< 153.4.0-1.mga10 Fix: upgrade to 153.4.0-1.mga10
|
| Mageia:10 | mageia | firefox |
< 153.4.0-1.mga10 Fix: upgrade to 153.4.0-1.mga10
|
Original advisory text
Updated nss & firefox packages fix security vulnerabilities
Incorrect boundary conditions in the Audio/Video: Playback component.
(CVE-2026-100756)
Use-after-free in the Widget component. (CVE-2026-100757)
Sandbox escape in the DOM: Navigation component. (CVE-2026-100758)
Uninitialized memory in the Storage: Quota Manager component.
(CVE-2026-100759)
Sandbox escape in the Security: Process Sandboxing component.
(CVE-2026-100760)
Sandbox escape due to use-after-free in the DOM: Content Processes component.
(CVE-2026-100762)
Use-after-free in the JavaScript: WebAssembly component. (CVE-2026-100765)
Information disclosure in the Networking: JAR component. (CVE-2026-100766)
Use-after-free in the Networking: Cache component. (CVE-2026-100767)
Use-after-free in the JavaScript: WebAssembly component. (CVE-2026-100769)
Sandbox escape due to use-after-free in the DOM: Content Processes component.
(CVE-2026-100770)
Undefined behavior in the DOM: Streams component. (CVE-2026-100771)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-100772)
Use-after-free in the Storage: IndexedDB component. (CVE-2026-100773)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-100774)
Sandbox escape in the Graphics component. (CVE-2026-100775)
Use-after-free in the JavaScript: WebAssembly component. (CVE-2026-100776)
Use-after-free in the Graphics: Canvas2D component. (CVE-2026-100777)
Sandbox escape due to use-after-free in the DOM: Core & HTML component.
(CVE-2026-100778)
Use-after-free in the XSLT component. (CVE-2026-100779)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-100780)
Sandbox escape due to incorrect boundary conditions in the Graphics:
WebRender component. (CVE-2026-100781)
Privilege escalation due to incorrect boundary conditions in the Graphics
component. (CVE-2026-100782)
Uninitialized memory in the Audio/Video component. (CVE-2026-100783)
Use-after-free in the Layout: Text and Fonts component. (CVE-2026-100784)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-100785)
Sandbox escape due to use-after-free in the Graphics component.
(CVE-2026-100786)
Sandbox escape in the XUL component. (CVE-2026-100787)
Invalid pointer in the JavaScript: WebAssembly component. (CVE-2026-100788)
Use-after-free in the Graphics: Canvas2D component. (CVE-2026-100789)
Use-after-free in the XSLT component. (CVE-2026-100790)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-100791)
Use-after-free in the Graphics: Canvas2D component. (CVE-2026-100832)
JIT miscompilation in the JavaScript: WebAssembly component. (CVE-2026-100792)
Sandbox escape due to incorrect boundary conditions in the
Internationalization component. (CVE-2026-100794)
Information disclosure in the Networking component. (CVE-2026-96869)
Privilege escalation due to use-after-free in the Graphics: WebRender
component. (CVE-2026-100797)
Cryptography misuse in Storage: Quota Manager component. (CVE-2026-100798)
Sandbox escape due to use-after-free in the Disability Access APIs component.
(CVE-2026-100800)
Privilege escalation in the DLL Services component. (CVE-2026-100801)
Same-origin policy bypass in the WebExtensions component. (CVE-2026-100803)
Uninitialized memory in the Graphics: WebGPU component. (CVE-2026-100806)
Privilege escalation in the DOM: Service Workers component. (CVE-2026-100807)
Mitigation bypass in the DOM: Service Workers component. (CVE-2026-100808)
Same-origin policy bypass in the DevTools component. (CVE-2026-100809)
Sandbox escape due to use-after-free in the DOM: Core & HTML component.
(CVE-2026-100811)
Denial-of-service in the Graphics component. (CVE-2026-100812)
Incorrect boundary conditions in the JavaScript Engine: JIT component.
(CVE-2026-100814)
Use-after-free in the CSS Parsing and Computation component. (CVE-2026-100815)
Site isolation issue in the DOM: Networking component. (CVE-2026-100816)
Sandbox escape due to use-after-free in the Widget: Gtk component.
(CVE-2026-100818)
Sandbox escape due to incorrect boundary conditions in the XPCOM component.
(CVE-2026-100819)
Privilege escalation in the Address Bar component. (CVE-2026-100820)
Site isolation issue in the Panning and Zooming component. (CVE-2026-100821)
Spoofing issue in the Networking: HTTP component. (CVE-2026-100822)
Privilege escalation in the Places component. (CVE-2026-100824)
Use-after-free in the JavaScript Engine: JIT component. (CVE-2026-100825)
Denial-of-service in the Storage: StorageManager component. (CVE-2026-100826)
Mitigation bypass in the Bookmarks & History component. (CVE-2026-100828)
Mitigation bypass in the DOM: Security component. (CVE-2026-100829)
Mitigation bypass in the DOM: Navigation component. (CVE-2026-100830)
Use-after-free in the DOM: UI Events & Focus Handling component.
(CVE-2026-100831)
(CVE-2026-100756)
Use-after-free in the Widget component. (CVE-2026-100757)
Sandbox escape in the DOM: Navigation component. (CVE-2026-100758)
Uninitialized memory in the Storage: Quota Manager component.
(CVE-2026-100759)
Sandbox escape in the Security: Process Sandboxing component.
(CVE-2026-100760)
Sandbox escape due to use-after-free in the DOM: Content Processes component.
(CVE-2026-100762)
Use-after-free in the JavaScript: WebAssembly component. (CVE-2026-100765)
Information disclosure in the Networking: JAR component. (CVE-2026-100766)
Use-after-free in the Networking: Cache component. (CVE-2026-100767)
Use-after-free in the JavaScript: WebAssembly component. (CVE-2026-100769)
Sandbox escape due to use-after-free in the DOM: Content Processes component.
(CVE-2026-100770)
Undefined behavior in the DOM: Streams component. (CVE-2026-100771)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-100772)
Use-after-free in the Storage: IndexedDB component. (CVE-2026-100773)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-100774)
Sandbox escape in the Graphics component. (CVE-2026-100775)
Use-after-free in the JavaScript: WebAssembly component. (CVE-2026-100776)
Use-after-free in the Graphics: Canvas2D component. (CVE-2026-100777)
Sandbox escape due to use-after-free in the DOM: Core & HTML component.
(CVE-2026-100778)
Use-after-free in the XSLT component. (CVE-2026-100779)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-100780)
Sandbox escape due to incorrect boundary conditions in the Graphics:
WebRender component. (CVE-2026-100781)
Privilege escalation due to incorrect boundary conditions in the Graphics
component. (CVE-2026-100782)
Uninitialized memory in the Audio/Video component. (CVE-2026-100783)
Use-after-free in the Layout: Text and Fonts component. (CVE-2026-100784)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-100785)
Sandbox escape due to use-after-free in the Graphics component.
(CVE-2026-100786)
Sandbox escape in the XUL component. (CVE-2026-100787)
Invalid pointer in the JavaScript: WebAssembly component. (CVE-2026-100788)
Use-after-free in the Graphics: Canvas2D component. (CVE-2026-100789)
Use-after-free in the XSLT component. (CVE-2026-100790)
Use-after-free in the DOM: Core & HTML component. (CVE-2026-100791)
Use-after-free in the Graphics: Canvas2D component. (CVE-2026-100832)
JIT miscompilation in the JavaScript: WebAssembly component. (CVE-2026-100792)
Sandbox escape due to incorrect boundary conditions in the
Internationalization component. (CVE-2026-100794)
Information disclosure in the Networking component. (CVE-2026-96869)
Privilege escalation due to use-after-free in the Graphics: WebRender
component. (CVE-2026-100797)
Cryptography misuse in Storage: Quota Manager component. (CVE-2026-100798)
Sandbox escape due to use-after-free in the Disability Access APIs component.
(CVE-2026-100800)
Privilege escalation in the DLL Services component. (CVE-2026-100801)
Same-origin policy bypass in the WebExtensions component. (CVE-2026-100803)
Uninitialized memory in the Graphics: WebGPU component. (CVE-2026-100806)
Privilege escalation in the DOM: Service Workers component. (CVE-2026-100807)
Mitigation bypass in the DOM: Service Workers component. (CVE-2026-100808)
Same-origin policy bypass in the DevTools component. (CVE-2026-100809)
Sandbox escape due to use-after-free in the DOM: Core & HTML component.
(CVE-2026-100811)
Denial-of-service in the Graphics component. (CVE-2026-100812)
Incorrect boundary conditions in the JavaScript Engine: JIT component.
(CVE-2026-100814)
Use-after-free in the CSS Parsing and Computation component. (CVE-2026-100815)
Site isolation issue in the DOM: Networking component. (CVE-2026-100816)
Sandbox escape due to use-after-free in the Widget: Gtk component.
(CVE-2026-100818)
Sandbox escape due to incorrect boundary conditions in the XPCOM component.
(CVE-2026-100819)
Privilege escalation in the Address Bar component. (CVE-2026-100820)
Site isolation issue in the Panning and Zooming component. (CVE-2026-100821)
Spoofing issue in the Networking: HTTP component. (CVE-2026-100822)
Privilege escalation in the Places component. (CVE-2026-100824)
Use-after-free in the JavaScript Engine: JIT component. (CVE-2026-100825)
Denial-of-service in the Storage: StorageManager component. (CVE-2026-100826)
Mitigation bypass in the Bookmarks & History component. (CVE-2026-100828)
Mitigation bypass in the DOM: Security component. (CVE-2026-100829)
Mitigation bypass in the DOM: Navigation component. (CVE-2026-100830)
Use-after-free in the DOM: UI Events & Focus Handling component.
(CVE-2026-100831)
References
- https://advisories.mageia.org/MGASA-2026-0491.html Vendor Advisory
- https://bugs.mageia.org/show_bug.cgi?id=36413 Third Party Advisory
- https://firefox-source-docs.mozilla.org/security/nss/releases/nss_3_130.html URL
- https://www.firefox.com/en-US/firefox/153.4.0/releasenotes/ URL
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-100/ Vendor Advisory
Timeline
Published12 Oct 2026
Updated12 Oct 2026
First seen12 Oct 2026
Sources
MGASA-2026-0491 · OSV
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