Released May 12, 2025

CVE-2025-24223

CVSS 8 severity high CWE-352 vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Overview

Impact:

Description: Processing maliciously crafted web content may lead to memory corruption

Researchers: rheza (@ginggilBesel), Edouard Bochin (@le_douds) and Tao Yan (@Ga1ois) of Palo Alto Networks

Background

Attribute	Value
CVE	CVE-2025-24223
Bugzilla	287577
Component	WebKit
Bug Class	LogicError
Severity	medium
Advisory	Apple Advisory

Fix not public. The WebKit fix for this bug is embargoed or not yet disclosed. The bug ID is confirmed from the Apple advisory, but no public commit references it.

Root Cause Analysis

The issue was addressed with improved memory handling.

Audit Directions

When auditing for this vulnerability, focus on: (1) similar patterns in the patched functions and nearby code, (2) missing or insufficient bounds checks on user-controlled input, (3) unvalidated type conversions and pointer arithmetic, (4) edge cases not exercised by tests, and (5) copy-paste variants of the vulnerable logic elsewhere.