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webkit: WebKitGTK / WPE WebKit: Out-of-bounds read and integer underflow vulnerability leading to DoS

🗓️ 18 Dec 2025 09:30:34Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Flaw in WebKitGTK and WPE WebKit causes out-of-bounds read and underflow, crashing UIProcess.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7.9ppc64lewebkitgtk42.50.3-2.el7_9webkitgtk4-2.50.3-2.el7_9.ppc64le.rpm
Red Hat Enterprise Linux7.9s390xwebkitgtk42.50.3-2.el7_9webkitgtk4-2.50.3-2.el7_9.s390x.rpm
Red Hat Enterprise Linux7.9x86_64webkitgtk42.50.3-2.el7_9webkitgtk4-2.50.3-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux7.9ppc64lewebkitgtk4-debuginfo2.50.3-2.el7_9webkitgtk4-debuginfo-2.50.3-2.el7_9.ppc64le.rpm
Red Hat Enterprise Linux7.9s390xwebkitgtk4-debuginfo2.50.3-2.el7_9webkitgtk4-debuginfo-2.50.3-2.el7_9.s390x.rpm
Red Hat Enterprise Linux7.9x86_64webkitgtk4-debuginfo2.50.3-2.el7_9webkitgtk4-debuginfo-2.50.3-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux7.9ppc64lewebkitgtk4-devel2.50.3-2.el7_9webkitgtk4-devel-2.50.3-2.el7_9.ppc64le.rpm
Red Hat Enterprise Linux7.9s390xwebkitgtk4-devel2.50.3-2.el7_9webkitgtk4-devel-2.50.3-2.el7_9.s390x.rpm
Red Hat Enterprise Linux7.9x86_64webkitgtk4-devel2.50.3-2.el7_9webkitgtk4-devel-2.50.3-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux7.9noarchwebkitgtk4-doc2.50.3-2.el7_9webkitgtk4-doc-2.50.3-2.el7_9.noarch.rpm
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15 Jul 2026 03:13Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00517
SSVC
6