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firefox: thunderbird: Sandbox escape in the DOM: Navigation component

🗓️ 14 Jul 2026 08:59:41Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Sandbox escape in the navigation component affects Firefox and Thunderbird, per Mozilla security advisory.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.6x86_64thunderbird0:140.12.0-1.el8_6thunderbird-0:140.12.0-1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64thunderbird-debuginfo0:140.12.0-1.el8_6thunderbird-debuginfo-0:140.12.0-1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64thunderbird-debugsource0:140.12.0-1.el8_6thunderbird-debugsource-0:140.12.0-1.el8_6.x86_64.rpm

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14 Jul 2026 11:08Current
6Medium risk
Vulners AI Score6
CVSS 3.19.6
EPSS0.00393
SSVC
4