CVEs / CVE-2022-22620
CVE-2022-22620: Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability
- Known exploited in the CISA KEV catalog since 11 Feb 2022
- high 8.8 CVSS 3.1 (NVD)
- EPSS 16.3% chance of exploitation in the next 30 days, higher than 96% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Apple Safari (v and ) | from unspecified, before 15.3 | 15.3 |
| Apple macOS | from unspecified, before 12.2 | 12.2 |
| Apple macOS | from unspecified, before 15.3 | 15.3 |
Exploitation
| In CISA KEV since | 11 Feb 2022 |
|---|---|
| Due date for US federal agencies | 25 Feb 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-416 |
References
- CVE-2022-22620 on NVD
- CVE-2022-22620 in the CISA KEV catalog
- CVE-2022-22620 on OSV
- https://security.gentoo.org/glsa/202208-39 Third Party Advisory
- https://support.apple.com/en-us/HT213091 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213092 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213093 Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22620 Third Party Advisory, US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.