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CVE-2023-32373: Apple Multiple Products WebKit Use-After-Free Vulnerability

criticalknown exploitedCVE-2023-32373
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit contain a use-after-free 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

vendor: AppleMemory corruption
What
Apple products contain a use-after-free vulnerability in WebKit that leads to code execution.
Who is affected
Users of iOS, iPadOS, macOS, tvOS, watchOS, and Safari are affected.
Urgency
Immediate remediation is necessary due to active exploitation and critical severity.
Action
Update to the latest version of affected Apple products to mitigate the vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-05-22
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-32373

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2023-32373coverage & exploitation statusNVD · CVE.org

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