Bug 2367018 (CVE-2025-4919)

Summary: CVE-2025-4919 firefox: thunderbird: Out-of-bounds access when optimizing linear sums
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: erack, gotiwari, jhorak, mvyas, tpopela
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2025-05-17 22:01:07 UTC
An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability affects Firefox ESR < 115.23.1.

Comment 1 errata-xmlrpc 2025-05-20 18:56:19 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:8049 https://access.redhat.com/errata/RHSA-2025:8049

Comment 2 errata-xmlrpc 2025-05-21 06:34:54 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:8060 https://access.redhat.com/errata/RHSA-2025:8060

Comment 3 errata-xmlrpc 2025-05-26 01:26:09 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:8125 https://access.redhat.com/errata/RHSA-2025:8125