CVE-2026-28942
Overview
Advisory: Apple Security Advisory
Impact:
Description: Processing maliciously crafted web content may lead to an unexpected Safari crash
Researchers: Milad Nasr and Nicholas Carlini with Claude, Anthropic
| Attribute | Value |
|---|---|
| CVE | CVE-2026-28942 |
| Bugzilla | 312180 |
| Component | WebCore |
| Bug Class | UAF |
| Severity | medium |
| Commit | 70753442a3d86ab5… |
| Advisory | Apple Advisory |
Root Cause Analysis
A use-after-free issue was addressed with improved memory management.
Files Changed
Source Files
Source/WebCore/html/HTMLDialogElement.cpp
Test Files
LayoutTests/fast/html/dialog-close-from-button-crash-expected.txtLayoutTests/fast/html/dialog-close-from-button-crash.html