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thunderbird: firefox: An OBJECT tag type attribute overrode browser behavior on web resources without a content-type

🗓️ 10 Nov 2025 02:00:31Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

OBJECT tag type could override browser behavior for resources without a content-type, enabling XSS in Firefox and Thunderbird prior to 144.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.2x86_64thunderbird140.4.0-2.el8_2thunderbird-140.4.0-2.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64thunderbird-debuginfo140.4.0-2.el8_2thunderbird-debuginfo-140.4.0-2.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64thunderbird-debugsource140.4.0-2.el8_2thunderbird-debugsource-140.4.0-2.el8_2.x86_64.rpm

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