cve/2021/CVE-2021-3516.md

CVE-2021-3516

Description

There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.

POC

Reference

• https://gitlab.gnome.org/GNOME/libxml2/-/issues/230
• https://www.oracle.com/security-alerts/cpujan2022.html

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/zodf0055980/Yuan-fuzz