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Actively exploited · Published Jun 23, 2023 · Assigned by apple

CVE-2023-32409

High 8.6 Exploited

In plain English

A high-severity security flaw in iOS and iPadOS from Apple. Attackers are actively exploiting it in the wild (listed by CISA on May 22, 2023). The chance it is exploited in the next 30 days is estimated at 16.5% (higher than 97% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.6High
Exploit odds (30 days)16.5%top 3.0% of all CVEs
Exploited in the wildYesCISA KEV since May 22, 2023
Attack toolingNoneno public tooling known

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Jun 12, 2023.

Official description

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12webkit2gtk2.42.0-1DEBIAN-CVE-2023-32409
Debian:13webkit2gtk2.42.0-1DEBIAN-CVE-2023-32409
Debian:14webkit2gtk2.42.0-1DEBIAN-CVE-2023-32409
Debian:12wpewebkitno fix listedDEBIAN-CVE-2023-32409
Debian:13wpewebkit2.42.0-1DEBIAN-CVE-2023-32409
Debian:14wpewebkit2.42.0-1DEBIAN-CVE-2023-32409
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2023-32409
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2023-32409
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2023-32409

Affected products (as reported)

VendorProductVersions
Apple macOS unspecified – before 13.4
Apple Safari unspecified – before 16.5
Apple watchOS unspecified – before 9.5
Apple iOS and iPadOS unspecified – before 15.7
Apple iOS and iPadOS unspecified – before 16.5
Apple tvOS unspecified – before 16.5

References