CVE-2026-78376

high

Description

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.

References

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

Details

Source: Mitre, NVD

Published: 2026-08-24

Updated: 2026-08-25

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

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

EPSS: 0.00276