CVE-2023-32435
Apple Multiple Products WebKit Memory Corruption Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 14 July 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, iOS 15.7.7 and iPadOS 15.7.7. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 22.95% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 23 June 2023 · due 14 July 2023
- Weakness
- CWE-787
- Affected
- apple/safari · apple/ipados · apple/iphone os · apple/macos
- Source
- product-security@apple.com
EPSS 23.0% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://support.apple.com/en-us/HT213670, https://support.apple.com/en-us/HT213671, https://support.apple.com/en-us/HT213676, https://support.apple.com/en-us/HT213811; https://nvd.nist.gov/vuln/detail/CVE-2023-32435
References
- https://support.apple.com/en-us/HT213670Vendor Advisory
- https://support.apple.com/en-us/HT213671Vendor Advisory
- https://support.apple.com/en-us/HT213676Vendor Advisory
- https://support.apple.com/en-us/HT213811Vendor Advisory
- https://support.apple.com/en-us/HT213670Vendor Advisory
- https://support.apple.com/en-us/HT213671Vendor Advisory
- https://support.apple.com/en-us/HT213676Vendor Advisory
- https://support.apple.com/en-us/HT213811Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32435US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.