CVE-2023-32373
Apple Multiple Products WebKit Use-After-Free Vulnerability
CVSS
8.8HighExploit odds (EPSS)12.2%Chance of exploitation activity in the next 30 days, higher than 96% of CVEs. Scored 23 Oct 2026FIRST EPSS
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
- 13.4macOSCVE List
- 16.5SafariCVE List
- 9.5watchOSCVE List
- 15.7iOS and iPadOSCVE List
- 16.5iOS and iPadOSCVE List
- 16.5tvOSCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Timeline
Description
Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit contain a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
Text from CVE List
Affected versions 6
- macOSaffected: unspecified before 13.4CVE List
- Safariaffected: unspecified before 16.5CVE List
- watchOSaffected: unspecified before 9.5CVE List
- iOS and iPadOSaffected: unspecified before 15.7CVE List
- iOS and iPadOSaffected: unspecified before 16.5CVE List
- tvOSaffected: unspecified before 16.5CVE List
References 10
- security.gentoo.org/glsa/202401-04Advisoryvia CVE List
- support.apple.com/HT213757, https://support.apple.com/HT213758, https://support.apple.com/HT213761, https://support.apple.com/HT213762, https://support.apple.com/HT213764, https://support.apple.com/HT213765Referencevia CISA KEV
- nvd.nist.gov/vuln/detail/CVE-2023-32373Referencevia CISA KEV
- support.apple.com/en-us/HT213758Referencevia CVE List
- support.apple.com/en-us/HT213762Referencevia CVE List
- support.apple.com/en-us/HT213764Referencevia CVE List
- support.apple.com/en-us/HT213765Referencevia CVE List
- support.apple.com/en-us/HT213757Referencevia CVE List
- support.apple.com/en-us/HT213761Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32373Referencevia CVE List