CVE-2023-42917Apple Multiple Products WebKit Memory Corruption Vulnerability

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.

8.8 HIGHEPSS 9.29%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 06:24 UTC

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
8.8	HIGH	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA required action

⚡ Known exploited · remediation due Dec 25, 2023

Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Details

CVE ID: CVE-2023-42917
Status: Analyzed
Assigner (CNA): apple
Published: Nov 30, 2023
Last modified: 2026-06-17 06:24 UTC
Weaknesses: CWE-787

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 13:49 UTC.