CVE-2026-64780
WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash
CVE-2026-64780 is fixed in 9 products on 2 platforms, first by RHSA-2026:74084, released July 21, 2026. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
9.6
MEDIUM
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0063
50th percentile
The issue was addressed with improved checks. WebKit Bugzilla: 316918
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| 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-2026-64780 | Aug 17, 2026 |
| webkit2gtk3 · RHEL 8 | 0:2.54.0-1.el8_10 | RHSA-2026:74084 | Jul 21, 2026 |
| webkit2gtk3 · RHEL 9 | 0:2.54.0-1.el9_8 | RHSA-2026:69098 | Aug 22, 2026 |
| webkit2gtk3 · almalinux 8 | 2.54.0-1.el8_10 | ALSA-2026:74084 | Sep 30, 2026 |
| webkit2gtk3 · almalinux 9 | 2.54.0-1.el9_8 | ALSA-2026:69098 | Sep 21, 2026 |
| webkit2gtk3 · ol 8 | 0:2.54.0-1.el8_10 | ELSA-2026-74084 | Oct 1, 2026 |
| webkit2gtk3 · ol 9 | 0:2.54.0-1.el9_8 | ELSA-2026-69098 | Sep 21, 2026 |
| webkit2gtk3 · opensuse-leap 16.0 | 2.54.1-160000.1.1 | OPENSUSE-SU-2026:22076-1 | Nov 7, 2026 |
| webkit2gtk3 · rocky 8 | 0:2.54.0-1.el8_10 | RLSA-2026:74084 | Oct 1, 2026 |
| webkit2gtk3 · rocky 9 | 0:2.54.0-1.el9_8 | RLSA-2026:69098 | Sep 22, 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-devel · RHEL 8 | 0:2.54.0-1.el8_10 | RHSA-2026:74084 | Jul 21, 2026 |
| webkit2gtk3-devel · RHEL 9 | 0:2.54.0-1.el9_8 | RHSA-2026:69098 | Aug 22, 2026 |
| webkit2gtk3-devel · almalinux 8 | 2.54.0-1.el8_10 | ALSA-2026:74084 | Sep 30, 2026 |
| webkit2gtk3-devel · almalinux 9 | 2.54.0-1.el9_8 | ALSA-2026:69098 | Sep 21, 2026 |
| webkit2gtk3-devel · ol 8 | 0:2.54.0-1.el8_10 | ELSA-2026-74084 | Oct 1, 2026 |
| webkit2gtk3-devel · ol 9 | 0:2.54.0-1.el9_8 | ELSA-2026-69098 | Sep 21, 2026 |
| webkit2gtk3-jsc · RHEL 8 | 0:2.54.0-1.el8_10 | RHSA-2026:74084 | Jul 21, 2026 |
| webkit2gtk3-jsc · RHEL 9 | 0:2.54.0-1.el9_8 | RHSA-2026:69098 | Aug 22, 2026 |
| webkit2gtk3-jsc · almalinux 8 | 2.54.0-1.el8_10 | ALSA-2026:74084 | Sep 30, 2026 |
| webkit2gtk3-jsc · almalinux 9 | 2.54.0-1.el9_8 | ALSA-2026:69098 | Sep 21, 2026 |
| webkit2gtk3-jsc · ol 8 | 0:2.54.0-1.el8_10 | ELSA-2026-74084 | Oct 1, 2026 |
| webkit2gtk3-jsc · ol 9 | 0:2.54.0-1.el9_8 | ELSA-2026-69098 | Sep 21, 2026 |
| webkit2gtk3-jsc-devel · RHEL 8 | 0:2.54.0-1.el8_10 | RHSA-2026:74084 | Jul 21, 2026 |
| webkit2gtk3-jsc-devel · RHEL 9 | 0:2.54.0-1.el9_8 | RHSA-2026:69098 | Aug 22, 2026 |
| webkit2gtk3-jsc-devel · almalinux 8 | 2.54.0-1.el8_10 | ALSA-2026:74084 | Sep 30, 2026 |
| webkit2gtk3-jsc-devel · almalinux 9 | 2.54.0-1.el9_8 | ALSA-2026:69098 | Sep 21, 2026 |
| webkit2gtk3-jsc-devel · ol 8 | 0:2.54.0-1.el8_10 | ELSA-2026-74084 | Oct 1, 2026 |
| webkit2gtk3-jsc-devel · ol 9 | 0:2.54.0-1.el9_8 | ELSA-2026-69098 | Sep 21, 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-2026-64780 | Aug 17, 2026 |
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