Apple Multiple Products WebKit Memory Corruption Vulnerability

HIGH 8.8EXPLOITED (CISA KEV)CVE-2023-32435 · Published 23/06/2023 · updated 17/06/2026

Apple Multiple Products WebKit Memory Corruption Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 23/06/2023. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
safari apple	`< 16.4`	`16.4`

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, iOS 15.7.7 and iPadOS 15.7.7. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

References

support.apple.com/en-us/HT213670 · Vendor Advisory
support.apple.com/en-us/HT213671 · Vendor Advisory
support.apple.com/en-us/HT213676 · Vendor Advisory
support.apple.com/en-us/HT213811 · Vendor Advisory
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2023-32435

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