HighFix available
CVE-2026-55999 in xorg-server - Patched by Root
Type: advisorySources: OSV
Root has patched CVE-2026-55999 in the xorg-server package for Root:Debian:11. Multiple fixed versions available.
- Products
- rootio-xorg-server, xorg-server
- Affected versions
- Not specified
- Fixed versions
- 2:1.20.11-1+deb11u18.aikido.13
- CVEs
- CVE-2026-55999
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 12:31 UTC · Revision 1
Source evidence
CVE-2026-55999 in xorg-server - Patched by Root
core-osv · Original sourcePublished 9 Oct 2026, 10:36 UTC
Root has patched CVE-2026-55999 in the xorg-server package for Root:Debian:11. Multiple fixed versions available.
osv:ROOT-OS-DEBIAN-11-CVE-2026-55999
xorg-server
Fixed versions: 2:1.20.11-1+deb11u18.aikido.13
rootio-xorg-server
Fixed versions: 2:1.20.11-1+deb11u18.aikido.13
Complete source record
{
"id": "284cd9fab6841fbc056d691023d25c32ab1b5577f439b1ccf056273278a468c5",
"url": "https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2026-55999",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-55999 in xorg-server - Patched by Root",
"summary": "Root has patched CVE-2026-55999 in the xorg-server package for Root:Debian:11. Multiple fixed versions available.",
"evidence": "osv:ROOT-OS-DEBIAN-11-CVE-2026-55999",
"products": [
{
"name": {
"value": "xorg-server",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:1.20.11-1+deb11u18.aikido.13",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rootio-xorg-server",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:1.20.11-1+deb11u18.aikido.13",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "ROOT-OS-DEBIAN-11-CVE-2026-55999",
"aliases": [
"ROOT-OS-DEBIAN-11-CVE-2026-55999"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.20.11-1+deb11u18.aikido.13"
}
]
}
],
"package": {
"name": "xorg-server",
"ecosystem": "Root:Debian:11"
},
"database_specific": {
"source": "https://api.root.io/external/osv/ROOT-OS-DEBIAN-11-CVE-2026-55999.json",
"root_patched": true,
"upstream_version": "2:1.20.11-1+deb11u18",
"all_fixed_versions": [
"2:1.20.11-1+deb11u18.aikido.13"
],
"root_patch_version": "aikido.13",
"total_fixed_versions": 1
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.20.11-1+deb11u18.aikido.13"
}
]
}
],
"package": {
"name": "rootio-xorg-server",
"ecosystem": "Root:Debian:11"
},
"database_specific": {
"source": "https://api.root.io/external/osv/ROOT-OS-DEBIAN-11-CVE-2026-55999.json",
"root_patched": true,
"upstream_version": "2:1.20.11-1+deb11u18",
"all_fixed_versions": [
"2:1.20.11-1+deb11u18.aikido.13"
],
"root_patch_version": "aikido.13",
"total_fixed_versions": 1
}
}
],
"modified": "2026-10-09T11:15:02.576636749Z",
"provider": "osv",
"upstream": [
"CVE-2026-55999"
],
"references": [],
"provider_metadata": {
"distro": "debian",
"source": "Root",
"severity": "HIGH",
"distro_version": "11"
}
},
"related_cves": [
{
"value": "CVE-2026-55999",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/database_specific/severity"
},
"source_id": "core-osv",
"document_id": 120636,
"published_at": "2026-10-09T10:36:01+00:00"
}