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firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component

🗓️ 28 Jul 2026 16:23:46Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Flaw in Firefox and Thunderbird due to just in time miscompilation in the JavaScript engine.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-16355
21 Jul 202612:37
–attackerkb
AlpineLinux		CVE-2026-16355
21 Jul 202612:37
–alpinelinux
Chainguard		CVE-2026-16355 vulnerabilities
28 Jul 202620:23
–cgr
Circl		CVE-2026-16355
22 Jul 202604:45
–circl
CVE		CVE-2026-16355
21 Jul 202612:37
–cve
Cvelist		CVE-2026-16355 JIT miscompilation in the JavaScript Engine: JIT component
21 Jul 202612:37
–cvelist
Debian		[SECURITY] [DLA 4695-1] firefox-esr security update
22 Jul 202621:41
–debian
Debian		[SECURITY] [DSA 6394-1] firefox-esr security update
22 Jul 202621:15
–debian
Debian CVE		CVE-2026-16355
21 Jul 202612:37
–debiancve
Tenable Nessus		Debian dla-4695 : firefox-esr - security update
22 Jul 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64firefox140.13.0-1.el10_2firefox-140.13.0-1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lefirefox140.13.0-1.el10_2firefox-140.13.0-1.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xfirefox140.13.0-1.el10_2firefox-140.13.0-1.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64firefox140.13.0-1.el10_2firefox-140.13.0-1.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64firefox-debuginfo140.13.0-1.el10_2firefox-debuginfo-140.13.0-1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lefirefox-debuginfo140.13.0-1.el10_2firefox-debuginfo-140.13.0-1.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xfirefox-debuginfo140.13.0-1.el10_2firefox-debuginfo-140.13.0-1.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64firefox-debuginfo140.13.0-1.el10_2firefox-debuginfo-140.13.0-1.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64firefox-debugsource140.13.0-1.el10_2firefox-debugsource-140.13.0-1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lefirefox-debugsource140.13.0-1.el10_2firefox-debugsource-140.13.0-1.el10_2.ppc64le.rpm
Rows per page

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29 Jul 2026 04:24Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.8
EPSS0.00405
SSVC
firefoxthunderbirdjust in timeJavaScript engineunixmiscompilation
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