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firefox: Same-origin policy bypass in the Networking: HTTP component

🗓️ 03 Jun 2026 01:01:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 13 Views

Firefox vulnerability: Same origin policy bypass in the Networking: HTTP component.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64thunderbird0:140.11.0-1.el8_10thunderbird-0:140.11.0-1.el8_10.aarch64.rpm
Red Hat Enterprise Linux8ppc64lethunderbird0:140.11.0-1.el8_10thunderbird-0:140.11.0-1.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8s390xthunderbird0:140.11.0-1.el8_10thunderbird-0:140.11.0-1.el8_10.s390x.rpm
Red Hat Enterprise Linux8x86_64thunderbird0:140.11.0-1.el8_10thunderbird-0:140.11.0-1.el8_10.x86_64.rpm
Red Hat Enterprise Linux8aarch64thunderbird-debuginfo0:140.11.0-1.el8_10thunderbird-debuginfo-0:140.11.0-1.el8_10.aarch64.rpm
Red Hat Enterprise Linux8ppc64lethunderbird-debuginfo0:140.11.0-1.el8_10thunderbird-debuginfo-0:140.11.0-1.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8s390xthunderbird-debuginfo0:140.11.0-1.el8_10thunderbird-debuginfo-0:140.11.0-1.el8_10.s390x.rpm
Red Hat Enterprise Linux8x86_64thunderbird-debuginfo0:140.11.0-1.el8_10thunderbird-debuginfo-0:140.11.0-1.el8_10.x86_64.rpm
Red Hat Enterprise Linux8aarch64thunderbird-debugsource0:140.11.0-1.el8_10thunderbird-debugsource-0:140.11.0-1.el8_10.aarch64.rpm
Red Hat Enterprise Linux8ppc64lethunderbird-debugsource0:140.11.0-1.el8_10thunderbird-debugsource-0:140.11.0-1.el8_10.ppc64le.rpm
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28 Jun 2026 09:32Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.19.3
EPSS0.00194
SSVC
13