Vulnerability record

CVE-2023-32435

Apple Multiple Products WebKit Memory Corruption Vulnerability

Severity: HighExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Multiple Products, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Jul 14, 2023.

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsFixed inSource
iOS & iPadOSApple< 15.7.7; >= 16.0, < 16.415.7.7; 16.4NVD
macOSApple>= 13.0, < 13.313.3NVD
Multiple ProductsApple——KEV
SafariApple< 16.416.4NVD

Sources: NVD = NIST National Vulnerability Database; KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2023-32435 scored CVSS 8.8: Apple Multiple Products, Apple Multiple Products WebKit Memory Corruption Vulnerability

    CISA lists this as exploited in the wild. Unpatched Multiple Products systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

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Coverage

We have not published a story about this vulnerability yet.

References