SUSE-SU-2026:5174-1: Security update for MozillaFirefox

Published Nov 10, 2026
·
Updated

This update for MozillaFirefox fixes the following issues:

Update to Firefox Extended Support Release 153.7.0 ESR (MFSA 2026-127, bsc#1289275):

- CVE-2026-118007: Use-after-free in the JavaScript: GC component. - CVE-2026-118019: Race condition, use-after-free in the DOM: File component. - CVE-2026-118021: Sandbox escape due to use-after-free in the XPCOM component. - CVE-2026-118024: Use-after-free in the Graphics: Text component. - CVE-2026-124853: Sandbox escape due to incorrect boundary conditions in the Graphics: Text component. - CVE-2026-124854: Privilege escalation in the DOM: Navigation component. - CVE-2026-124855: Sandbox escape in the DOM: Navigation component. - CVE-2026-124856: Incorrect boundary conditions in the Networking: HTTP component. - CVE-2026-124857: Use-after-free in the Graphics: Canvas2D component. - CVE-2026-124858: Use-after-free in the DOM: HTML Parser component. - CVE-2026-124859: Sandbox escape due to incorrect boundary conditions in the Storage: Cache API component. - CVE-2026-124860: Use-after-free in the Audio/Video component. - CVE-2026-124861: Sandbox escape due to use-after-free in the Audio/Video: cubeb component. - CVE-2026-124862: Use-after-free in the DOM: Core & HTML component. - CVE-2026-124863: Use-after-free in the DOM: HTML Parser component. - CVE-2026-124864: Sandbox escape due to use-after-free in the DOM: Service Workers component. - CVE-2026-124865: Use-after-free in the Audio/Video component. - CVE-2026-124866: Use-after-free in the Layout component. - CVE-2026-124868: Incorrect boundary conditions in the DOM: Core & HTML component. - CVE-2026-124869: Use-after-free in the DOM: Core & HTML component. - CVE-2026-124870: Incorrect boundary conditions in the JavaScript: GC component. - CVE-2026-124872: Use-after-free in the Cycle Collector component. - CVE-2026-124873: Invalid pointer in the DOM: Editor component. - CVE-2026-124874: Same-origin policy bypass in the Networking: HTTP component. - CVE-2026-124875: Incorrect boundary conditions in the DOM: CSS Object Model component. - CVE-2026-124876: Use-after-free in the CSS Parsing and Computation component. - CVE-2026-124877: Use-after-free in the Layout: Positioned component. - CVE-2026-124879: Invalid pointer in the Networking: Cache component. - CVE-2026-124880: Use-after-free in the DOM: Core & HTML component. - CVE-2026-124881: Use-after-free in the CSS Parsing and Computation component. - CVE-2026-124882: Use-after-free in the CSS Parsing and Computation component. - CVE-2026-124883: Use-after-free in the DOM: Core & HTML component. - CVE-2026-124884: Use-after-free in the JavaScript: GC component. - CVE-2026-124885: Use-after-free in the Graphics: Text component. - CVE-2026-124886: Invalid pointer in the Layout: Text and Fonts component. - CVE-2026-124887: Incorrect boundary conditions in the Layout: Text and Fonts component. - CVE-2026-124888: Incorrect boundary conditions in the Layout: Text and Fonts component. - CVE-2026-124889: Use-after-free in the CSS Parsing and Computation component. - CVE-2026-124890: Use-after-free in the DOM: Core & HTML component. - CVE-2026-124891: Incorrect boundary conditions in the DOM: Selection component. - CVE-2026-124892: Use-after-free in the JavaScript: GC component. - CVE-2026-124893: Use-after-free in the DOM: Workers component. - CVE-2026-124894: Use-after-free in the Networking: Cookies component. - CVE-2026-124895: Use-after-free in the Storage: localStorage & sessionStorage component. - CVE-2026-124896: Invalid pointer in the Layout: Text and Fonts component. - CVE-2026-124897: Use-after-free in the JavaScript: GC component. - CVE-2026-124898: Use-after-free in the DOM: Editor component. - CVE-2026-124899: Use-after-free in the Layout: Text and Fonts component. - CVE-2026-124901: Other issue in the Networking: JAR component. - CVE-2026-124902: Same-origin policy bypass due to race condition in the Audio/Video component. - CVE-2026-124903: Sandbox escape due to use-after-free in the IPC component. - CVE-2026-124905: Sandbox escape in the DOM: Navigation component. - CVE-2026-124906: Use-after-free in the Graphics: WebRender component. - CVE-2026-124907: Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component. - CVE-2026-124909: Information disclosure in the Private Browsing component. - CVE-2026-124910: Mitigation bypass in the WebExtensions component. - CVE-2026-124912: Spoofing issue in the DOM: Security component. - CVE-2026-124913: Site isolation issue in the Networking component. - CVE-2026-124914: Site isolation issue in the DOM: Navigation component. - CVE-2026-124915: Incorrect boundary conditions in the Graphics: WebGPU component. - CVE-2026-124917: Sandbox escape due to use-after-free in the Widget: Gtk component. - CVE-2026-124918: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component. - CVE-2026-124919: Privilege escalation due to use-after-free in the WebRTC: Networking component. - CVE-2026-124922: Use-after-free in the CSS Transitions and Animations component. - CVE-2026-124924: Incorrect boundary conditions in the Graphics: WebRender component. - CVE-2026-124926: Incorrect boundary conditions in the WebRTC component. - CVE-2026-124927: Site isolation issue in the Graphics: WebRender component. - CVE-2026-124929: Information disclosure in the Layout: Form Controls component. - CVE-2026-124930: Information disclosure in the Address Bar component. - CVE-2026-124931: Same-origin policy bypass in the DOM: Core & HTML component. - CVE-2026-124932: Use-after-free in the Graphics component. - CVE-2026-124933: Sandbox escape in the Console component. - CVE-2026-124934: Spoofing issue in the Security component. - CVE-2026-124935: Undefined behavior in the WebRTC: Networking component. - CVE-2026-124938: Mitigation bypass in the Add-ons Manager component. - CVE-2026-124939: JIT miscompilation in the JavaScript Engine: JIT component. - CVE-2026-124940: Mitigation bypass in the File Handling component. - CVE-2026-124941: Information disclosure in the Security: RLBox component. - CVE-2026-124942: Invalid pointer in the DOM: Streams component. - CVE-2026-124948: Incorrect boundary conditions, use-after-free in the Graphics component. - CVE-2026-124951: Privilege escalation in the Nimbus Desktop Client component.

Affected Software

2 affected componentsFixes available
suse/mozillafirefox<153.7.0-118.22.1
153.7.0-118.22.1
suse/mozillafirefox<153.7.0-118.22.1
153.7.0-118.22.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade suse/MozillaFirefox to a version that resolves this vulnerability.

    Fixed in 153.7.0-118.22.1
  2. Upgrade

    Upgrade MozillaFirefox to a version that resolves this vulnerability.

    Fixed in 153.7.0 ESRPatch MFSA 2026-127

Event History

Nov 10, 2026
Advisory Published
via OSV·03:32 PM
Data Sourced
via OSV·03:32 PM
DescriptionAffected Software

Contact

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