description: 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.
problem types: CWE-191
affected:
{
vendor: n/a
product: xorg-x11-server
versions:
version: before xorg-x11-server 1.20.9, status: affected
}