Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability (CVE-2022-22620)
Severity: high · Patch status: patched · Since 2022-02-11 · CVE-2022-22620
Apple iOS, iPadOS, and macOS 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. CISA added CVE-2022-22620 to its Known Exploited Vulnerabilities catalog on Feb 11, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Feb 25, 2022 (BOD 22-01); treat that as the outer limit.
Sources
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