Bug 2562163 (CVE-2026-118020) - CVE-2026-118020 firefox: thunderbird: Use-after-free in the Layout component
Summary: CVE-2026-118020 firefox: thunderbird: Use-after-free in the Layout component
Keywords:
Status: NEW
Alias: CVE-2026-118020
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-27 18:09 UTC by OSIDB Bzimport
Modified: 2026-11-02 17:00 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-10-27 18:09:16 UTC 
Use-after-free in the Layout component. This vulnerability was fixed in Firefox 159.
Note You need to log in before you can comment on or make changes to this bug.