SOURCE FACT
Apple · Multiple Products
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.
Required action
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
CISA notes
https://support.apple.com/en-us/HT214031, https://support.apple.com/en-us/HT214032, https://support.apple.com/en-us/HT214033 ; https://nvd.nist.gov/vuln/detail/CVE-2023-42917
View source evidence →