CVE-2023-23529
Apple Multiple Products: WebKit Type Confusion
As of , CVE-2023-23529 in Apple Multiple Products is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.
- Exploited
- Yes: CISA listed it on 14 February 2023
- US federal deadline
- 7 March 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.10Higher than 95% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- No score that dayThe EPSS file of the day CISA listed it has no score for it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- Vendor advice: support.apple.comLinks below, from CISA's entry.
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
Apple iOS, MacOS, Safari and iPadOS WebKit contain a type confusion 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.
CISA's description
A type confusion issue was addressed with improved checks. This issue is fixed in iOS 15.7.4 and iPadOS 15.7.4, iOS 16.3.1 and iPadOS 16.3.1, macOS Ventura 13.2.1, Safari 16.3. 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.
The CVE record's description, from apple
- CVE published
- 27 February 2023
- Assigned by
- apple
- CVSS
- 8.8 High (CVSS 3.1, from CISA-ADP)
- CWE-843
- Access of Resource Using Incompatible Type ('Type Confusion')
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- CISA added it to its list of exploited vulnerabilities.
- The CVE record was published.
- The US federal deadline to fix it.
Multiple Products: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2026-86950Out-of-Bounds Write | Apple Multiple Products | Patch nowForensic triage required by CISA; listed in the last 14 days | 0.01 | ||
| CVE-2021-30860Integer Overflow | Apple Multiple Products | Patch this weekEPSS 0.76 | 0.76 | ||
| CVE-2023-32434Integer Overflow | Apple Multiple Products | Patch this weekEPSS 0.52 | 0.52 | ||
| CVE-2019-8605Use-After-Free | Apple Multiple Products | Patch soonVerified Exploit-DB entry | 0.18 | ||
| CVE-2020-3837Memory Corruption | Apple Multiple Products | Patch soonVerified Exploit-DB entry | 0.15 | ||
| CVE-2019-8506Type Confusion | Apple Multiple Products | Patch soonVerified Exploit-DB entry | 0.16 | ||
| CVE-2023-28205WebKit Use-After-Free | Apple Multiple Products | Patch soon | 0.27 | ||
| CVE-2021-30807Memory Corruption | Apple Multiple Products | Patch soon | 0.29 | ||
| CVE-2025-31200Memory Corruption | Apple Multiple Products | Patch soon | 0.19 | ||
| CVE-2025-24085Use-After-Free | Apple Multiple Products | Patch soon | 0.18 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org