Bug 2450726 (CVE-2026-4709)

Summary: CVE-2026-4709 firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: gotiwari, jgrulich, jhorak, mvyas, tpopela
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: GMP component
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-03-24 13:02:36 UTC
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9.

Comment 1 errata-xmlrpc 2026-03-26 11:21:26 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:5931 https://access.redhat.com/errata/RHSA-2026:5931

Comment 2 errata-xmlrpc 2026-03-26 11:31:55 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:5930 https://access.redhat.com/errata/RHSA-2026:5930

Comment 3 errata-xmlrpc 2026-03-26 11:32:55 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:5932 https://access.redhat.com/errata/RHSA-2026:5932

Comment 4 errata-xmlrpc 2026-03-30 15:59:43 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:6188 https://access.redhat.com/errata/RHSA-2026:6188

Comment 5 errata-xmlrpc 2026-04-01 09:36:47 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:6342 https://access.redhat.com/errata/RHSA-2026:6342

Comment 6 errata-xmlrpc 2026-04-07 21:30:37 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:6917 https://access.redhat.com/errata/RHSA-2026:6917