Bug 2550436 (CVE-2026-109776)

Summary: CVE-2026-109776 firefox: Race condition in the XPCOM component
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedCC: gotiwari, jhorak, mvyas, rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Race condition in the XPCOM component
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Description OSIDB Bzimport 2026-10-13 13:02:29 UTC
Race condition in the XPCOM component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.

Comment 1 Jon Orris 2026-11-02 02:56:45 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:93443 https://access.redhat.com/errata/RHSA-2026:93443