CVE-2023-42917

Vulnerability details

Apple iOS, iPadOS, macOS, and Safari WebKit contain a memory corruption vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Added to CISA KEV: 2023-12-04

Ransomware campaign use: Unknown

CISA due date: 2023-12-25

Defensive guidance from CISA

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

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.