CVE-2026-83596

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Memory Corruption in WebKitGTK

Publication date: 2026-08-31

Last updated on: 2026-09-04

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

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Meta Information

Published

2026-08-31

Last Modified

2026-09-04

Generated

2026-09-21

AI Q&A

2026-09-01

EPSS Evaluated

2026-09-15

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.

Detection Guidance

This vulnerability involves memory corruption in WebKitGTK due to improper memory handling when processing malicious web content. Detection typically requires monitoring for crashes or unusual behavior in applications using WebKitGTK, such as web browsers or embedded web views. Check for segmentation faults, memory leaks, or application hangs when rendering web content.

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.

Compliance Impact

This vulnerability may lead to unauthorized access or disclosure of sensitive data due to memory corruption, which could violate GDPR or HIPAA requirements for data protection and confidentiality.

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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