CVE-2026-43795

Overview

Advisory: Apple Security Advisory

Impact:

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

Researchers: wwwlk

Attribute	Value
CVE	CVE-2026-43795
Bugzilla	313452
Component	WebCore
Bug Class	LogicError
Severity	medium
Commit	ce11a67281dafaa7…
Advisory	Apple Advisory

Root Cause Analysis

The issue was addressed with improved memory handling.

Files Changed

Source Files

• Source/WebCore/Modules/webauthn/AuthenticationExtensionsClientOutputs.cpp

Test Files

• Tools/TestWebKitAPI/Tests/WebCore/CBORReaderTest.cpp