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.
[
{
"vendor": "n/a",
"product": "xorg-x11-server",
"versions": [
{
"version": "before xorg-x11-server 1.20.9",
"status": "affected"
}
]
}
]