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firefox: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox 150.0.2

🗓️ 19 May 2026 16:14:56Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 10 Views

Memory safety bugs in Firefox ESR 115.35.2, ESR 140.10.2 and 150.0.2 may allow remote code execution.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64firefox140.10.2-1.el10_2firefox-140.10.2-1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lefirefox140.10.2-1.el10_2firefox-140.10.2-1.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xfirefox140.10.2-1.el10_2firefox-140.10.2-1.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64firefox140.10.2-1.el10_2firefox-140.10.2-1.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64firefox-debuginfo140.10.2-1.el10_2firefox-debuginfo-140.10.2-1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lefirefox-debuginfo140.10.2-1.el10_2firefox-debuginfo-140.10.2-1.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xfirefox-debuginfo140.10.2-1.el10_2firefox-debuginfo-140.10.2-1.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64firefox-debuginfo140.10.2-1.el10_2firefox-debuginfo-140.10.2-1.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64firefox-debugsource140.10.2-1.el10_2firefox-debugsource-140.10.2-1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lefirefox-debugsource140.10.2-1.el10_2firefox-debugsource-140.10.2-1.el10_2.ppc64le.rpm
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30 Jun 2026 13:36Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.1
EPSS0.00384
SSVC
10