Use After Free Affecting webkit2gtk3-jsc package, versions <0:2.32.3-2.el8
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-ALMALINUX8-WEBKIT2GTK3JSC-5637026
- published 28 May 2023
- disclosed 9 Nov 2021
Introduced: 9 Nov 2021
CVE-2020-27918 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:8 webkit2gtk3-jsc to version 0:2.32.3-2.el8 or higher.
This issue was patched in ALSA-2021:4381.
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 AlmaLinux.
See How to fix? for AlmaLinux:8 relevant fixed versions and status.
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
References
- https://errata.almalinux.org/8/ALSA-2021-4381.html
- https://vulners.com/cve/CVE-2020-27918
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EQ3U3VBSOJB46WCO66TEWE5OAXLTU3YW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
- http://seclists.org/fulldisclosure/2020/Dec/32
- http://www.openwall.com/lists/oss-security/2021/03/22/1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EQ3U3VBSOJB46WCO66TEWE5OAXLTU3YW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
- https://security.gentoo.org/glsa/202104-03
- https://support.apple.com/en-us/HT211928
- https://support.apple.com/en-us/HT211929
- https://support.apple.com/en-us/HT211930
- https://support.apple.com/en-us/HT211931
- https://support.apple.com/en-us/HT211933
- https://support.apple.com/en-us/HT211934
- https://support.apple.com/en-us/HT211935
- https://www.debian.org/security/2021/dsa-4877