PT-2026-80867 · Webkitgtk · Webkitgtk

CVE-2026-78376

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Published

2026-08-24

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Updated

2026-08-25

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions WebKitGTK (affected versions not specified)
Description Processing malicious web content can cause a use-after-free issue due to improper memory handling, leading to memory corruption. This occurs specifically with the function parameters of jscvalue(). A use-after-free is a situation where a program continues to use a pointer after it has been freed, which can be exploited to crash the system or execute arbitrary code.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

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Weakness Enumeration

Related Identifiers

CVE-2026-78376
ECHO-1C9D-3961-CC2B

Affected Products

Webkitgtk