CVE-2023-32373

Name: CVE-2023-32373
Creator: NVD / NIST
Published: 2023-06-23T18:15:12.007+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 12.27%

Last modified Jun 17, 2026

CVE-2023-32373 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. CISA has confirmed active exploitation in the wild. EPSS estimates a 12.27% chance of exploitation in the next 30 days.

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. 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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

12.27%

95.7th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jun 12, 2023.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Safari	< 16.5
Apple	Ipados	< 15.7.6
Apple	Ipados	>= 16.0, < 16.5
Apple	Iphone Os	>= 15.0, < 15.7.6
Apple	Iphone Os	>= 16.0, < 16.5
Apple	Macos	< 13.4
Apple	Tvos	< 16.5
Apple	Watchos	< 9.5
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux	8.0
Redhat	Enterprise Linux	9.0
Webkitgtk	Webkitgtk\+	< 2.42.3

References

https://security.gentoo.org/glsa/202401-04Third Party Advisory
https://support.apple.com/en-us/HT213757Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213758Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213761Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213762Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213764Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213765Release Notes, Vendor Advisory
https://security.gentoo.org/glsa/202401-04Third Party Advisory
https://support.apple.com/en-us/HT213757Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213758Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213761Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213762Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213764Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213765Release Notes, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32373US Government Resource

Timeline

Published: Jun 23, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-32373?

How severe is CVE-2023-32373?

CVE-2023-32373 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 12.27% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2023-32373?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-32373?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST