CVE Database›CVE-2025-43541

CVE-2025-43541

webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash

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Severity

Important

Red Hat Product Security

8.8

CVSS 3.1

Review impact separately from score.

Published · December 17, 2025

Updated · June 30, 2026

Description

A flaw was found in WebKitGTK. Processing malicious web content can cause a type confusion issue due to improper state handling and result in an unexpected crash.

Statement

To exploit this issue, an attacker needs to trick a user into processing or loading malicious web content. Due to this reason, this flaw has been rated with an important severity. Additionally, this issue can cause an unexpected crash but the possibility of remote code execution is not discarded.

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

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.

CVSS / CWE

CVSS 3.1 · 8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-843 · Access of Resource Using Incompatible Type ('Type Confusion')