A flaw was found in WebKitGTK. Processing malicious web content can cause a use-after-free issue due to improper memory handling and result in memory corruption.
https://github.com/WebKit/WebKit/pull/72142
https://bugzilla.redhat.com/show_bug.cgi?id=2521858
https://access.redhat.com/security/cve/CVE-2026-78376
Source: Mitre, NVD
Published: 2026-08-24
Updated: 2026-08-25
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00276