Use After Free Affecting webkit2gtk3-jsc package, versions <0:2.30.4-1.el8
Threat Intelligence
EPSS
0.42% (75th
percentile)
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Test your applications- Snyk ID SNYK-ROCKY8-WEBKIT2GTK3JSC-3298877
- published 3 Feb 2023
- disclosed 16 Oct 2020
Introduced: 16 Oct 2020
CVE-2020-9951 Open this link in a new tabHow to fix?
Upgrade Rocky-Linux:8 webkit2gtk3-jsc to version 0:2.30.4-1.el8 or higher.
This issue was patched in RLSA-2021:1586.
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 Rocky-Linux.
See How to fix? for Rocky-Linux:8 relevant fixed versions and status.
A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9951
- http://seclists.org/fulldisclosure/2020/Nov/18
- http://seclists.org/fulldisclosure/2020/Nov/19
- http://seclists.org/fulldisclosure/2020/Nov/20
- http://seclists.org/fulldisclosure/2020/Nov/22
- http://www.openwall.com/lists/oss-security/2020/11/23/3
- https://security.gentoo.org/glsa/202012-10
- https://support.apple.com/HT211845
- https://support.apple.com/kb/HT211843
- https://support.apple.com/kb/HT211844
- https://support.apple.com/kb/HT211850
- https://support.apple.com/kb/HT211935
- https://support.apple.com/kb/HT211952
- https://www.debian.org/security/2020/dsa-4797
CVSS Scores
version 3.1