CVE-2025-31238

Overview

Advisory: Apple Security Advisory

Impact:

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

Researchers: wac working with Trend Micro Zero Day Initiative

Attribute Value
CVE CVE-2025-31238
Bugzilla 289653
Component WebCore
Bug Class LogicError
Severity medium
Commit a23df0dfbec0c9df…
Advisory Apple Advisory

Root Cause Analysis

The issue was addressed with improved checks.

Files Changed

Source Files

  • Source/WebCore/page/scrolling/mac/ScrollerMac.h
  • Source/WebCore/page/scrolling/mac/ScrollerMac.mm

Test Files

  • LayoutTests/fast/scrolling/mac/scrollbars/scrollbar-crash-expected.txt
  • LayoutTests/fast/scrolling/mac/scrollbars/scrollbar-crash.html