Bug 2550477 (CVE-2026-109731) - CVE-2026-109731 firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component
Summary: CVE-2026-109731 firefox: thunderbird: Incorrect boundary conditions in the Gr...
Keywords:
Status: NEW
Alias: CVE-2026-109731
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: 2026-10-13 13:11 UTC by OSIDB Bzimport
Modified: 2026-11-05 17:20 UTC (History)
5 users (show)

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

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:93443 0 None None None 2026-11-02 02:56:41 UTC
Red Hat Product Errata RHSA-2026:95596 0 None None None 2026-11-05 17:20:24 UTC
Red Hat Product Errata RHSA-2026:95597 0 None None None 2026-11-05 17:18:11 UTC

Description OSIDB Bzimport 2026-10-13 13:11:25 UTC 
Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.
Comment 1 Jon Orris 2026-11-02 02:56:40 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
Comment 2 Jon Orris 2026-11-05 17:18:10 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:95597 https://access.redhat.com/errata/RHSA-2026:95597
Comment 3 Jon Orris 2026-11-05 17:20:23 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:95596 https://access.redhat.com/errata/RHSA-2026:95596
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