CVEs / CVE-2023-32435
CVE-2023-32435: Apple Multiple Products WebKit Memory Corruption Vulnerability
- Known exploited in the CISA KEV catalog since 23 Jun 2023
- high 8.8 CVSS 3.1 (NVD)
- EPSS 22.9% chance of exploitation in the next 30 days, higher than 97% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2023-32435
Summary
Apple iOS, iPadOS, macOS, and Safari WebKit contain a memory corruption 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 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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Apple macOS | from unspecified, before 13.3 | 13.3 |
| Apple iOS and iPadOS | from unspecified, before 15.7 | 15.7 |
| Apple Safari | from unspecified, before 16.4 | 16.4 |
| Apple iOS and iPadOS | from unspecified, before 16.4 | 16.4 |
Exploitation
| In CISA KEV since | 23 Jun 2023 |
|---|---|
| Due date for US federal agencies | 14 Jul 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-787 |
References
- CVE-2023-32435 on NVD
- CVE-2023-32435 in the CISA KEV catalog
- https://support.apple.com/en-us/HT213670 (cited by CISA)
- https://support.apple.com/en-us/HT213671 (cited by CISA)
- https://support.apple.com/en-us/HT213676 (cited by CISA)
- https://support.apple.com/en-us/HT213811 (cited by CISA)
- CVE-2023-32435 on OSV
- https://support.apple.com/en-us/HT213670 Vendor Advisory
- https://support.apple.com/en-us/HT213671 Vendor Advisory
- https://support.apple.com/en-us/HT213676 Vendor Advisory
- https://support.apple.com/en-us/HT213811 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32435 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.