Description
Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.
Published: 2026-11-10
Score: 9.6 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 10 Nov 2026 19:15:00 +0000

Type Values Removed Values Added
Description Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7. Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.
References

Tue, 10 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

Tue, 10 Nov 2026 13:45:00 +0000

Type Values Removed Values Added
Description Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.
Title Sandbox escape due to use-after-free in the Widget: Gtk component
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-11-10T18:58:59.229Z

Reserved: 2026-11-09T14:47:24.330Z

Link: CVE-2026-124917

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-10T14:17:25.483

Modified: 2026-11-10T19:21:01.630

Link: CVE-2026-124917

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.