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CVE-2023-28204: Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability

criticalknown exploitedCVE-2023-28204
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 an out-of-bounds read vulnerability that may disclose sensitive information 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: Appleproduct: WebKitInformation disclosure
What
There is an out-of-bounds read vulnerability that may disclose sensitive information when processing maliciously crafted web content.
Who is affected
Users of Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit are affected.
Urgency
Remediation is urgent due to the critical severity and confirmed exploitation.
Action
Users should update their affected Apple products to the latest version.

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

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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-2023-28204

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-2023-28204coverage & exploitation statusNVD · CVE.org

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