Apple Multiple Products WebKit Use-After-Free Vulnerability

HIGH 8.8EXPLOITED (CISA KEV)CVE-2023-28205 · Published 10/04/2023 · updated 17/06/2026

Apple Multiple Products WebKit Use-After-Free Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 10/04/2023. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
safari apple	`< 16.4.1`	`16.4.1`

Description

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 16.4.1, iOS 15.7.5 and iPadOS 15.7.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

References

support.apple.com/en-us/HT213720 · Release Notes
support.apple.com/en-us/HT213721 · Release Notes
support.apple.com/en-us/HT213722 · Release Notes
support.apple.com/en-us/HT213723 · Release Notes
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2023-28205

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