Bug 2550400 (CVE-2026-109718)

Summary: CVE-2026-109718 firefox: Use-after-free in the XML component
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: gotiwari, jhorak, mvyas, rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the XML component
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2026-10-13 12:54:12 UTC
Use-after-free in the XML component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, and Firefox ESR 153.5.

Comment 1 Jon Orris 2026-10-26 03:03:53 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:89758 https://access.redhat.com/errata/RHSA-2026:89758

Comment 2 Jon Orris 2026-10-26 03:27:46 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:89756 https://access.redhat.com/errata/RHSA-2026:89756

Comment 3 Jon Orris 2026-10-26 04:09:56 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:89757 https://access.redhat.com/errata/RHSA-2026:89757

Comment 4 Jon Orris 2026-11-02 02:57:13 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 5 Jon Orris 2026-11-05 17:16:49 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 6 Jon Orris 2026-11-05 17:19:19 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