CVE-2022-22620
HighExploitedPublic exploitA use after free issue was addressed with improved memory management.
Published Mar 18, 2022 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2022-22620, SUSE-SU-2022:0811-1, UBUNTU-CVE-2022-22620
Key Facts
Patch immediately- CVE-2022-22620 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Safari (Apple), Ipados (Apple), Iphone OS (Apple) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 10, 2022. Public exploit code is available.
- EPSS estimates a 16% probability of exploitation in the next 30 days.
- Fixed versions are available, including Ipados 15.3.1, Iphone OS 15.3.1, macOS 12.2.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
16%
Higher than 96.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-22620 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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..
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Feb 11, 2022 | Feb 25, 2022 | Not reported |
| Industry KEV feed | Feb 10, 2022 | Feb 25, 2022 | Not reported |
| CIRCL KEV | Feb 11, 2022 | Feb 25, 2022 | Not reported |
| ENISA EUVD | Feb 11, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
371 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SafariApple | See advisory | 15.3 |
| IpadosApple | See advisory | 15.3.1 |
| Iphone OSApple | See advisory | 15.3.1 |
| macOSApple | >= unspecified | 12.2.1 |
| webkit2gtk-4.1arch | See advisory | 2.34.6-1 |
Patched Releases
Ipados
15.3.1
Iphone OS
15.3.1
macOS
12.2.1, 12.2, 15.3
Safari
15.3
libjavascriptcoregtk-4_0-18
2.34.6-2.88.1, 2.34.6-29.1, 2.34.6-3.97.1
libjavascriptcoregtk-4_0-18-32bit
2.34.6-29.1
libwebkit2gtk-4_0-37
2.34.6-2.88.1, 2.34.6-29.1, 2.34.6-3.97.1
libwebkit2gtk-4_0-37-32bit
2.34.6-29.1
libwebkit2gtk3-lang
2.34.6-2.88.1, 2.34.6-29.1, 2.34.6-3.97.1
Safari (v and )
15.3
typelib-1_0-JavaScriptCore-4_0
2.34.6-2.88.1, 2.34.6-29.1, 2.34.6-3.97.1
typelib-1_0-WebKit2-4_0
2.34.6-2.88.1, 2.34.6-29.1, 2.34.6-3.97.1
typelib-1_0-WebKit2WebExtension-4_0
2.34.6-2.88.1, 2.34.6-29.1, 2.34.6-3.97.1
webkit-jsc-4
2.34.6-29.1
webkit2gtk
2.34.6-0ubuntu0.20.04.1, 2.34.6-1, 2.34.6-1~deb10u1, 2.34.6-1~deb11u1, 2.34.6-r0, 2.35.90-1ubuntu1
webkit2gtk-4_0-injected-bundles
2.34.6-2.88.1, 2.34.6-29.1, 2.34.6-3.97.1
webkit2gtk-4.1
2.34.6-1
webkit2gtk-5.0
2.34.6-1
webkit2gtk3
0:2.34.6-1.el8, 2.34.6-1.el8, 2.34.6-2.88.1, 2.34.6-29.1, 2.34.6-3.97.1
webkit2gtk3-devel
2.34.6-1.el8, 2.34.6-2.88.1, 2.34.6-29.1, 2.34.6-3.97.1
webkit2gtk3-jsc
2.34.6-1.el8
webkit2gtk3-jsc-devel
2.34.6-1.el8
webkit2gtk3-minibrowser
2.34.6-29.1
webkitgtk4
0:2.48.3-2.el7_9, 2.38.5-3.amzn2.0.1
webkitgtk4-devel
2.38.5-3.amzn2.0.1
Timeline
Added to Industry KEV feed
Feb 10, 2022
Added to CISA KEV
Feb 11, 2022
Added to CIRCL KEV
Feb 11, 2022
Added to ENISA EUVD
Feb 11, 2022
Publicly disclosed
Mar 18, 2022
Last updated
Aug 4, 2026
Weakness Type
- CWE-416 Use After Free
References
- advisoryRHSA-2022:1777
- advisoryRHSA-2025:10364
- advisoryhttps://bugzilla.suse.com/1195064
- advisoryhttps://bugzilla.suse.com/1195735
- advisoryhttps://bugzilla.suse.com/1196133
FAQ
Common Questions.
A use after free issue was addressed with improved memory management.
Affected: Safari (Apple); Ipados (Apple); Iphone OS (Apple), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 10, 2022.
Yes. It was added on Feb 11, 2022 with a federal remediation due date of Feb 25, 2022.
Public exploit code is available.
Fixed versions are available, including Ipados 15.3.1, Iphone OS 15.3.1, macOS 12.2.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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