Bug 2562233 (CVE-2026-118011) - CVE-2026-118011 firefox: thunderbird: Frame poisoning in the CSS Parsing and Computation component
Summary: CVE-2026-118011 firefox: thunderbird: Frame poisoning in the CSS Parsing and ...
Keywords:
Status: NEW
Alias: CVE-2026-118011
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-27 18:21 UTC by OSIDB Bzimport
Modified: 2026-11-02 14:40 UTC (History)
5 users (show)

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

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Description OSIDB Bzimport 2026-10-27 18:21:28 UTC 
Frame poisoning in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159.
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