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webkitgtk: Validate the full FeatureList array once in OpenTypeVerticalData findFeature

🗓️ 21 Sep 2026 05:19:01Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Memory corruption in WebKitGTK OpenTypeVerticalData findFeature via malicious web content.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus
Amazon Linux 2 : webkitgtk4 (ALAS-2026-3917)
14 Sep 202600:00
–nessus
nessus
Tenable Nessus
AlmaLinux 9 : webkit2gtk3 (ALSA-2026:69098)
22 Sep 202600:00
–nessus
nessus
Tenable Nessus
Oracle Linux 9 : webkit2gtk3 (ELSA-2026-69098)
21 Sep 202600:00
–nessus
nessus
Tenable Nessus
RHEL 9 : webkit2gtk3 (RHSA-2026:69098)
21 Sep 202600:00
–nessus
nessus
Tenable Nessus
RockyLinux 9 : webkit2gtk3 (RLSA-2026:69098)
22 Sep 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-83596
31 Aug 202600:00
–nessus
amazon
Amazon
Important: webkitgtk4
14 Sep 202600:00
–amazon
almalinux
AlmaLinux
Important: webkit2gtk3 security update
21 Sep 202600:00
–almalinux
circl
Circl
CVE-2026-83596
31 Aug 202621:15
–circl
cve
CVE
CVE-2026-83596
31 Aug 202620:46
–cve
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64webkit2gtk32.54.0-1.el9_8webkit2gtk3-2.54.0-1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8i686webkit2gtk32.54.0-1.el9_8webkit2gtk3-2.54.0-1.el9_8.i686.rpm
Red Hat Enterprise Linux9.8ppc64lewebkit2gtk32.54.0-1.el9_8webkit2gtk3-2.54.0-1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xwebkit2gtk32.54.0-1.el9_8webkit2gtk3-2.54.0-1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64webkit2gtk32.54.0-1.el9_8webkit2gtk3-2.54.0-1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64webkit2gtk3-debuginfo2.54.0-1.el9_8webkit2gtk3-debuginfo-2.54.0-1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8i686webkit2gtk3-debuginfo2.54.0-1.el9_8webkit2gtk3-debuginfo-2.54.0-1.el9_8.i686.rpm
Red Hat Enterprise Linux9.8ppc64lewebkit2gtk3-debuginfo2.54.0-1.el9_8webkit2gtk3-debuginfo-2.54.0-1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xwebkit2gtk3-debuginfo2.54.0-1.el9_8webkit2gtk3-debuginfo-2.54.0-1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64webkit2gtk3-debuginfo2.54.0-1.el9_8webkit2gtk3-debuginfo-2.54.0-1.el9_8.x86_64.rpm
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23 Sep 2026 14:09Current
6Medium risk
Vulners AI Score6
CVSS 3.18.8
EPSS0.00294
SSVC
3