In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::ContainerNode::firstChild, a different vulnerability than CVE-2021-30889.
https://github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.32.3
http://www.openwall.com/lists/oss-security/2022/01/21/2
Source: Mitre, NVD
Published: 2021-12-25
Updated: 2022-02-05
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H