CVEs / CVE-2023-23529
CVE-2023-23529: Apple Multiple Products WebKit Type Confusion Vulnerability
- Known exploited in the CISA KEV catalog since 14 Feb 2023
- high 8.8 CVSS 3.1 (NVD)
- EPSS 9.42% chance of exploitation in the next 30 days, higher than 95% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Apple iOS and iPadOS | from unspecified, before 16.3 | 16.3 |
| Apple Safari | from unspecified, before 16.3 | 16.3 |
| Apple macOS | from unspecified, before 13.2 | 13.2 |
| Apple iOS and iPadOS | from unspecified, before 15.7 | 15.7 |
Exploitation
| In CISA KEV since | 14 Feb 2023 |
|---|---|
| Due date for US federal agencies | 7 Mar 2023 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-843 |
References
- CVE-2023-23529 on NVD
- CVE-2023-23529 in the CISA KEV catalog
- https://support.apple.com/en-us/HT213635 (cited by CISA)
- https://support.apple.com/en-us/HT213633 (cited by CISA)
- https://support.apple.com/en-us/HT213638 (cited by CISA)
- CVE-2023-23529 on OSV
- https://support.apple.com/en-us/HT213633 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213635 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213638 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213673 Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23529 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.