HighFix available
xorg-server, xwayland — security advisory
A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.
- Products
- xorg-server, xwayland
- Affected versions
- 2:21.1.7-3, 2:21.1.7-3+deb12u1, 2:21.1.7-3+deb12u2, 2:22.1.9-1, 2:23.1.0-1, 2:23.1.1-1, 2:23.2.0-1, 2:23.2.1-1, 2:23.2.2-1, 2:23.2.3-1, 2:23.2.4-1, 2:23.2.6-1, 2:24.0.99.901-1, 2:24.1.0-1, 2:24.1.10-1, 2:24.1.11-1, 2:24.1.12-1, 2:24.1.13-1, 2:24.1.14-1, 2:24.1.2-1, 2:24.1.3-1, 2:24.1.4-1, 2:24.1.4-2, 2:24.1.4-3, 2:24.1.5-1, 2:24.1.6-1, 2:24.1.8-1, 2:24.1.9-1
- Fixed versions
- 2:21.1.10-1, 2:21.1.7-3+deb12u3, 2:23.2.3-1
- CVEs
- CVE-2023-6478
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 16:16 UTC · Revision 1
Source evidence
A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.
osv:DEBIAN-CVE-2023-6478
xorg-server
Fixed versions: 2:21.1.7-3+deb12u3
xorg-server
Fixed versions: 2:21.1.10-1
xorg-server
Fixed versions: 2:21.1.10-1
xwayland
Fixed versions: Not specified
xwayland
Fixed versions: 2:23.2.3-1
xwayland
Fixed versions: 2:23.2.3-1
Complete source record
{
"id": "56c971bafe90fb78517c35abe41cc5230341a10aec3bde97038279ef8e3b5ab3",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-6478",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-6478",
"summary": "A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.",
"evidence": "osv:DEBIAN-CVE-2023-6478",
"products": [
{
"name": {
"value": "xorg-server",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:21.1.7-3+deb12u3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "2:21.1.7-3",
"evidence": "/affected/0/versions"
},
{
"value": "2:21.1.7-3+deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "2:21.1.7-3+deb12u2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "xorg-server",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
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{
"value": "2:21.1.10-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xorg-server",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:21.1.10-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xwayland",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2:22.1.9-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:23.1.0-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:23.1.1-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:23.2.0-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:23.2.1-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:23.2.2-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:23.2.3-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:23.2.4-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:23.2.6-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.0.99.901-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.0-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.10-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.11-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.12-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.13-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.14-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.2-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.3-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.4-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.4-2",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.4-3",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.5-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.6-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.8-1",
"evidence": "/affected/3/versions"
},
{
"value": "2:24.1.9-1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "xwayland",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:23.2.3-1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xwayland",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:23.2.3-1",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2023-6478",
"aliases": [
"DEBIAN-CVE-2023-6478"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:21.1.7-3+deb12u3"
}
]
}
],
"package": {
"name": "xorg-server",
"purl": "pkg:deb/debian/xorg-server?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2:21.1.7-3",
"2:21.1.7-3+deb12u1",
"2:21.1.7-3+deb12u2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-6478.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:21.1.10-1"
}
]
}
],
"package": {
"name": "xorg-server",
"purl": "pkg:deb/debian/xorg-server?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-6478.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:21.1.10-1"
}
]
}
],
"package": {
"name": "xorg-server",
"purl": "pkg:deb/debian/xorg-server?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-6478.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xwayland",
"purl": "pkg:deb/debian/xwayland?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2:22.1.9-1",
"2:23.1.0-1",
"2:23.1.1-1",
"2:23.2.0-1",
"2:23.2.1-1",
"2:23.2.2-1",
"2:23.2.3-1",
"2:23.2.4-1",
"2:23.2.6-1",
"2:24.0.99.901-1",
"2:24.1.0-1",
"2:24.1.10-1",
"2:24.1.11-1",
"2:24.1.12-1",
"2:24.1.13-1",
"2:24.1.14-1",
"2:24.1.2-1",
"2:24.1.3-1",
"2:24.1.4-1",
"2:24.1.4-2",
"2:24.1.4-3",
"2:24.1.5-1",
"2:24.1.6-1",
"2:24.1.8-1",
"2:24.1.9-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-6478.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:23.2.3-1"
}
]
}
],
"package": {
"name": "xwayland",
"purl": "pkg:deb/debian/xwayland?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-6478.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:23.2.3-1"
}
]
}
],
"package": {
"name": "xwayland",
"purl": "pkg:deb/debian/xwayland?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-6478.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:02:54.497210913Z",
"provider": "osv",
"upstream": [
"CVE-2023-6478"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-6478"
]
},
"related_cves": [
{
"value": "CVE-2023-6478",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 457198,
"published_at": "2023-12-13T07:15:31.213+00:00"
}