Use After Free Affecting webkit2gtk3-jsc package, versions <0:2.30.4-3.el8_4
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Test your applications- Snyk ID SNYK-ORACLE8-WEBKIT2GTK3JSC-2591813
- published 10 Apr 2022
- disclosed 24 Aug 2021
Introduced: 24 Aug 2021
CVE-2021-30858 Open this link in a new tabHow to fix?
Upgrade Oracle:8 webkit2gtk3-jsc to version 0:2.30.4-3.el8_4 or higher.
This issue was patched in ELSA-2021-4097.
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 Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. 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.
References
- https://linux.oracle.com/cve/CVE-2021-30858.html
- https://linux.oracle.com/errata/ELSA-2021-4097.html
- https://linux.oracle.com/errata/ELSA-2022-0059.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/
- http://seclists.org/fulldisclosure/2021/Sep/25
- http://seclists.org/fulldisclosure/2021/Sep/27
- http://seclists.org/fulldisclosure/2021/Sep/29
- http://seclists.org/fulldisclosure/2021/Sep/38
- http://seclists.org/fulldisclosure/2021/Sep/39
- http://seclists.org/fulldisclosure/2021/Sep/50
- http://www.openwall.com/lists/oss-security/2021/09/20/1
- http://www.openwall.com/lists/oss-security/2021/10/26/9
- http://www.openwall.com/lists/oss-security/2021/10/27/1
- http://www.openwall.com/lists/oss-security/2021/10/27/2
- http://www.openwall.com/lists/oss-security/2021/10/27/4
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/
- https://support.apple.com/en-us/HT212804
- https://support.apple.com/en-us/HT212807
- https://support.apple.com/kb/HT212824
- https://www.debian.org/security/2021/dsa-4975
- https://www.debian.org/security/2021/dsa-4976
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog