Use After Free Affecting webkit2gtk3-jsc-devel package, versions <0:2.32.3-2.el8
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Test your applications- Snyk ID SNYK-ALMALINUX8-WEBKIT2GTK3JSCDEVEL-5638163
- published 28 May 2023
- disclosed 9 Nov 2021
Introduced: 9 Nov 2021
CVE-2021-21806 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:8 webkit2gtk3-jsc-devel 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-devel package and not the webkit2gtk3-jsc-devel package as distributed by AlmaLinux.
See How to fix? for AlmaLinux:8 relevant fixed versions and status.
An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.