Access of Resource Using Incompatible Type ('Type Confusion') The advisory has been revoked - it doesn't affect any version of package webkit2gtk3-jsc (opens in a new tab)
Threat Intelligence
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL9-WEBKIT2GTK3JSC-10645611
- published7 Jul 2025
- disclosed14 Dec 2022
Introduced: 14 Dec 2022
CVE-2022-42856 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream webkit2gtk3-jsc package and not the webkit2gtk3-jsc package as distributed by RHEL.
A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. 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 against versions of iOS released before iOS 15.1..
References
- https://access.redhat.com/security/cve/CVE-2022-42856
- https://access.redhat.com/errata/RHSA-2023:0021
- http://seclists.org/fulldisclosure/2022/Dec/21
- http://seclists.org/fulldisclosure/2022/Dec/22
- http://seclists.org/fulldisclosure/2022/Dec/23
- http://seclists.org/fulldisclosure/2022/Dec/26
- http://seclists.org/fulldisclosure/2022/Dec/28
- http://www.openwall.com/lists/oss-security/2022/12/26/1
- https://security.gentoo.org/glsa/202305-32
- https://support.apple.com/en-us/HT213516
- https://support.apple.com/en-us/HT213531
- https://support.apple.com/en-us/HT213532
- https://support.apple.com/en-us/HT213535
- https://support.apple.com/en-us/HT213537
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42856
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog