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firefox: thunderbird: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component

🗓️ 05 Feb 2026 08:47:44Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Spoofing in the DOM Copy Paste and Drag Drop component affects Firefox before 147 and Thunderbird before 147, ESR 140.7.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.4aarch64firefox140.7.0-1.el9_4firefox-140.7.0-1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lefirefox140.7.0-1.el9_4firefox-140.7.0-1.el9_4.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xfirefox140.7.0-1.el9_4firefox-140.7.0-1.el9_4.s390x.rpm
Red Hat Enterprise Linux9.4x86_64firefox140.7.0-1.el9_4firefox-140.7.0-1.el9_4.x86_64.rpm
Red Hat Enterprise Linux9.4aarch64firefox-debuginfo140.7.0-1.el9_4firefox-debuginfo-140.7.0-1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lefirefox-debuginfo140.7.0-1.el9_4firefox-debuginfo-140.7.0-1.el9_4.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xfirefox-debuginfo140.7.0-1.el9_4firefox-debuginfo-140.7.0-1.el9_4.s390x.rpm
Red Hat Enterprise Linux9.4x86_64firefox-debuginfo140.7.0-1.el9_4firefox-debuginfo-140.7.0-1.el9_4.x86_64.rpm
Red Hat Enterprise Linux9.4aarch64firefox-debugsource140.7.0-1.el9_4firefox-debugsource-140.7.0-1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lefirefox-debugsource140.7.0-1.el9_4firefox-debugsource-140.7.0-1.el9_4.ppc64le.rpm
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15 Jul 2026 03:13Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.4
EPSS0.00261
SSVC
4