xorg-x11-server before 1.19.5 was missing length validation in XFree86 VidModeExtension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
[
{
"product": "xorg-x11-server",
"vendor": "The X.Org Foundation",
"versions": [
{
"status": "affected",
"version": "before 1.19.5"
}
]
}
]