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thunderbird: firefox: Some non-writable Object properties could be modified

🗓️ 12 Nov 2025 01:37:57Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

A way to modify non-writable JavaScript object properties affecting Firefox and Thunderbird versions listed.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.6aarch64firefox0:140.4.0-3.el8_6firefox-0:140.4.0-3.el8_6.aarch64.rpm
Red Hat Enterprise Linux8.6ppc64lefirefox0:140.4.0-3.el8_6firefox-0:140.4.0-3.el8_6.ppc64le.rpm
Red Hat Enterprise Linux8.6s390xfirefox0:140.4.0-3.el8_6firefox-0:140.4.0-3.el8_6.s390x.rpm
Red Hat Enterprise Linux8.6x86_64firefox0:140.4.0-3.el8_6firefox-0:140.4.0-3.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6aarch64firefox-debuginfo0:140.4.0-3.el8_6firefox-debuginfo-0:140.4.0-3.el8_6.aarch64.rpm
Red Hat Enterprise Linux8.6ppc64lefirefox-debuginfo0:140.4.0-3.el8_6firefox-debuginfo-0:140.4.0-3.el8_6.ppc64le.rpm
Red Hat Enterprise Linux8.6s390xfirefox-debuginfo0:140.4.0-3.el8_6firefox-debuginfo-0:140.4.0-3.el8_6.s390x.rpm
Red Hat Enterprise Linux8.6x86_64firefox-debuginfo0:140.4.0-3.el8_6firefox-debuginfo-0:140.4.0-3.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6aarch64firefox-debugsource0:140.4.0-3.el8_6firefox-debugsource-0:140.4.0-3.el8_6.aarch64.rpm
Red Hat Enterprise Linux8.6ppc64lefirefox-debugsource0:140.4.0-3.el8_6firefox-debugsource-0:140.4.0-3.el8_6.ppc64le.rpm
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18 Mar 2026 03:08Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.5
EPSS0.00031
SSVC
4