CVE-2026-55999 xorg-server / xwayland glamor font atlas Heap Buffer Overflow
10
[
{
"vendor": "X.Org",
"product": "xorg-server",
"packageName": "xorg-server",
"repo": "https://gitlab.freedesktop.org/xorg/xserver/",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "21.1.24",
"versionType": "rpm"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "X.Org",
"product": "xwayland",
"packageName": "xwayland",
"repo": "https://gitlab.freedesktop.org/xorg/xserver/",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "24.1.13",
"versionType": "rpm"
}
],
"defaultStatus": "unaffected"
}
]Data
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08 Jul 2026 08:12Current
CVSS 3.18.5
EPSS0.00269