CVE-2022-30293

webkitgtk: Heap buffer overflow in WebCore::TextureMapperLayer::setContentsLayer leading to arbitrary code execution

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · May 6, 2022

Updated · November 22, 2025

Description

A heap buffer overflow vulnerability was found in WebKitGTK. The vulnerability occurs when processing or rendering HTML content in WebKit. This flaw allows a remote attacker to trick the victim into opening a specially crafted web page, triggering a heap buffer overflow error and leading to the execution of arbitrary code on the system.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-787 · Out-of-bounds Write