CVE-2026-64781

WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash

CVE-2026-64781 is fixed in 6 products on 2 platforms, first by Tahoe 26.6.2, released August 17, 2026. It is not reported as exploited. Patch Radar priority: Routine.

RoutineFixed on 2 platforms
CVSS
4.3
MEDIUM
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0053
45th percentile

The issue was addressed with improved input validation. WebKit Bugzilla: 321484

Where it's fixed

ProductFixed inFixReleased
macOS
Tahoe 26.6.2 Tahoe 26.6.2 Aug 17, 2026
Linux
webkit2gtk · Debian 13.5 (trixie) 2.54.0-1~deb13u1 DEBIAN-CVE-2026-64781 Aug 17, 2026
webkit2gtk3 · opensuse-leap 16.0 2.54.1-160000.1.1 OPENSUSE-SU-2026:22076-1 Nov 7, 2026
webkit2gtk3 · sles 15.6 2.54.1-150600.12.81.3 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk3 · sles 15.7 2.54.1-150600.12.81.3 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk3 · sles 16.0 2.54.1-160000.1.1 SUSE-SU-2026:24225-1 Nov 7, 2026
webkit2gtk3-soup2 · opensuse-leap 16.0 2.54.1-160000.1.1 OPENSUSE-SU-2026:22076-1 Nov 7, 2026
webkit2gtk3-soup2 · sles 15.6 2.54.1-150600.12.81.4 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk3-soup2 · sles 15.7 2.54.1-150600.12.81.4 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk4 · opensuse-leap 16.0 2.54.1-160000.1.1 OPENSUSE-SU-2026:22076-1 Nov 7, 2026
webkit2gtk4 · sles 15.6 2.54.1-150600.12.81.4 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk4 · sles 15.7 2.54.1-150600.12.81.4 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk4 · sles 16.0 2.54.1-160000.1.1 SUSE-SU-2026:24225-1 Nov 7, 2026
wpewebkit · Debian 14 2.54.0-1 DEBIAN-CVE-2026-64781 Aug 17, 2026

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