CVE-2023-23529

criticalknown exploitedcovered by 1 sourcefirst seen 2023-02-14

Actively exploited. CVE-2023-23529 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-02-14) — 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, 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.

CSIRTS triage

What: WebKit contains a type confusion vulnerability that leads to code execution when processing maliciously crafted web content.
Who is affected: Users of Apple iOS, MacOS, Safari, and iPadOS, as well as non-Apple products relying on WebKit.
Urgency: Immediate remediation is necessary due to active exploitation and critical severity.
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 95% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalexploitedCVE-2023-23529: Apple Multiple Products WebKit Type Confusion Vulnerabilitycisa-kev · 2023-02-14

External references

NVD record for CVE-2023-23529

CVE.org record

CISA KEV catalog

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