Memory Corruption in WebKitGTK

Publication date: 2026-08-31

Last updated on: 2026-08-31

Assigner: redhat-SADP

Description

A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-31

Last Modified

2026-08-31

Generated

2026-09-01

AI Q&A

2026-09-01

EPSS Evaluated

N/A

NVD

CVE-2026-83596

Affected Vendors & Products

Vendor	Product	Version / Range
webkitgtk	webkitgtk	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-120	The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is a memory corruption flaw in WebKitGTK. It occurs when malicious web content is processed, leading to improper memory handling and potential system compromise.

Impact Analysis

An attacker could exploit this flaw to execute arbitrary code, gain elevated privileges, or cause denial-of-service conditions on affected systems by tricking users into visiting malicious websites.

Mitigation Strategies

Update WebKitGTK to the latest patched version immediately to address the memory corruption flaw. Disable or restrict access to untrusted web content until patched. Monitor for unusual memory usage or crashes in WebKitGTK processes.

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