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Actively exploited · Published Mar 18, 2022 · Assigned by apple

CVE-2022-22620

High 8.8 Exploited

In plain English

A high-severity use-after-free in macOS from Apple. Attackers are actively exploiting it in the wild (listed by CISA on February 11, 2022). The chance it is exploited in the next 30 days is estimated at 16.3% (higher than 97% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)16.3%top 3.0% of all CVEs
Exploited in the wildYesCISA KEV since Feb 11, 2022
Attack tooling1Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Feb 25, 2022.

Official description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8webkit2gtk32.34.6-1.el8ALSA-2022:1777
AlmaLinux:8webkit2gtk3-devel2.34.6-1.el8ALSA-2022:1777
AlmaLinux:8webkit2gtk3-jsc2.34.6-1.el8ALSA-2022:1777
AlmaLinux:8webkit2gtk3-jsc-devel2.34.6-1.el8ALSA-2022:1777
Alpine:v3.20webkit2gtk2.34.6-r0ALPINE-CVE-2022-22620
Debian:12webkit2gtk2.34.6-1DEBIAN-CVE-2022-22620
Debian:13webkit2gtk2.34.6-1DEBIAN-CVE-2022-22620
Debian:14webkit2gtk2.34.6-1DEBIAN-CVE-2022-22620
Debian:12wpewebkit2.34.6-1DEBIAN-CVE-2022-22620
Debian:13wpewebkit2.34.6-1DEBIAN-CVE-2022-22620
Debian:14wpewebkit2.34.6-1DEBIAN-CVE-2022-22620
Rocky Linux:8webkit2gtk30:2.34.6-1.el8RLSA-2022:1777
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2022-22620
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2022-22620
Ubuntu:22.04:LTSwebkit2gtk2.35.90-1ubuntu1UBUNTU-CVE-2022-22620
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2022-22620

Affected products (as reported)

VendorProductVersions
Apple Safari (v and ) unspecified – before 15.3
Apple macOS unspecified – before 12.2
Apple macOS unspecified – before 15.3

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References