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CVE-2023-42917

Severity
HIGH
CVSS
8.8
EPSS
0.0937
Risk score
63.48
CISA KEV
Yes
PoC
No
Published
2023-11-30
Modified
2025-10-21
First seen
2026-08-07
Aliases
EUVD-2023-47338, GHSA-PHHR-CQM7-GJV6
Products
Apple:Multiple Products, Apple:Safari unspecified <17.1, Apple:iOS and iPadOS unspecified <17.1, Apple:macOS unspecified <14.1
Sources
cisa.gov CVE-2023-42917
euvd EUVD-2023-47338

Description

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.

References