CVE-2023-32435
Actively exploited. CVE-2023-32435 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-06-23) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- A memory corruption vulnerability leads to code execution when processing maliciously crafted web content.
- Who is affected
- Users of Apple iOS, iPadOS, macOS, and Safari WebKit.
- Urgency
- Remediation is critical as the vulnerability is actively exploited.
- Action
- Update to the latest version of affected Apple products.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 97% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2023-32435: Apple Multiple Products WebKit Memory Corruption Vulnerabilitycisa-kev · 2023-06-23
External references
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[](https://www.csirts.com/cve/CVE-2023-32435)