What the vulnerability does

01Description

A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Key dates

02Disclosure timeline

September 15, 2020 CVE published
August 4, 2024 Record updated