All vulnerabilities
CVE-2022-22620

Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability

Apple iOS, iPadOS, and macOSOperating systems
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 11 Feb 2022CISA KEV
Exploit odds (EPSS)16.3%Chance of exploitation activity in the next 30 days, higher than 96% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in15.3Also 12.2CVE List
Federal deadline25 Feb 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 11 Feb 2022Added to CISA KEVCISA KEV
  2. 18 Mar 2022, 17:59 UTCPublishedCVE List

Description

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.

Text from CVE List

Affected versions 3

  • Safari (v and )affected: unspecified before 15.3CVE List
  • macOSaffected: unspecified before 12.2CVE List
  • macOSaffected: unspecified before 15.3CVE List

References 6