CVE-2023-32370

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-06 · updated 2026-06-17

Description

A logic issue was addressed with improved validation. This issue is fixed in macOS Ventura 13.3. Content Security Policy to block domains with wildcards may fail.

Affected products

Apple macOS: from 13.0 before 13.3 — fixed in 13.3
Webkit: before 2.40.1 — fixed in 2.40.1
Wpewebkit Wpe Webkit: before 2.40.1 — fixed in 2.40.1

How to fix

Upgrade to a fixed version: Apple macOS 13.3; Webkit 2.40.1; Wpewebkit Wpe Webkit 2.40.1. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2023/09/11/1
https://security.gentoo.org/glsa/202401-04
https://support.apple.com/en-us/HT213670
http://www.openwall.com/lists/oss-security/2023/09/11/1
https://security.gentoo.org/glsa/202401-04
https://support.apple.com/en-us/HT213670

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