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

🗓️ 12 Nov 2025 01:48:17Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

A method existed to modify non-writable JavaScript properties in Firefox and Thunderbird versions.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.8ppc64lefirefox0:140.4.0-3.el8_8firefox-0:140.4.0-3.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64firefox0:140.4.0-3.el8_8firefox-0:140.4.0-3.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lefirefox-debuginfo0:140.4.0-3.el8_8firefox-debuginfo-0:140.4.0-3.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64firefox-debuginfo0:140.4.0-3.el8_8firefox-debuginfo-0:140.4.0-3.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lefirefox-debugsource0:140.4.0-3.el8_8firefox-debugsource-0:140.4.0-3.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64firefox-debugsource0:140.4.0-3.el8_8firefox-debugsource-0:140.4.0-3.el8_8.x86_64.rpm

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18 Mar 2026 03:08Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.5
EPSS0.00031
SSVC
2