CVE-2023-32373
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.
Key facts
- CVSS score
- 8.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-416
- EPSS score
- 12.2% (96th percentile)
- In CISA KEV
- Yes, added May 22, 2023
- In EU EUVD
- Yes (EUVD-2023-36617)
- Published
- June 23, 2023
- NVD last modified
- June 17, 2026
- Status
- Analyzed
CISA Known Exploited Vulnerability
Apple Multiple Products WebKit Use-After-Free Vulnerability
Added to the KEV catalog on May 22, 2023; federal remediation due June 12, 2023.
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2023-36617 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 21, 2025.
View on the EU Vulnerability DatabaseAffected products
- apple / ipados
- apple / iphone os
- apple / macos
- apple / safari
- apple / tvos
- apple / watchos
- redhat / enterprise linux
- redhat / enterprise linux
- redhat / enterprise linux
- redhat / enterprise linux
- webkitgtk / webkitgtk+
Certified products that may be affected
51 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Red Hat Enterprise Linux 8 NSS Cryptographic Module - Red Hat, Inc. - FIPS 140 5513 - active
- Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, LLC - FIPS 140 5461 - active
- Red Hat Enterprise Linux 9 Kernel Cryptographic API - Red Hat, Inc. - FIPS 140 5445 - active
- Red Hat Enterprise Linux 9 libgcrypt - Red Hat, Inc. - FIPS 140 5366 - active
- Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, Inc. - FIPS 140 5089 - active
See all 51 in the Security Certifications Explorer.
References
- https://security.gentoo.org/glsa/202401-04(Third Party Advisory)
- https://support.apple.com/en-us/HT213757(Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/HT213758(Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/HT213761(Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/HT213762(Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/HT213764(Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/HT213765(Release Notes, Vendor Advisory)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32373(US Government Resource)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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