HighFix available
xorg-server, xwayland — security advisory
A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.
- Products
- xorg-server, xwayland
- Affected versions
- Not specified
- Fixed versions
- 2:21.1.5-1, 2:22.1.6-1
- CVEs
- CVE-2022-46343
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 15:37 UTC · Revision 1
Source evidence
A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.
osv:DEBIAN-CVE-2022-46343
xorg-server
Fixed versions: 2:21.1.5-1
xorg-server
Fixed versions: 2:21.1.5-1
xorg-server
Fixed versions: 2:21.1.5-1
xwayland
Fixed versions: 2:22.1.6-1
xwayland
Fixed versions: 2:22.1.6-1
xwayland
Fixed versions: 2:22.1.6-1
Complete source record
{
"id": "c2bb1aaf5d36b3dfb116ea523527e35306753337853513edd0f4895bbe00625f",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-46343",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-46343",
"summary": "A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.",
"evidence": "osv:DEBIAN-CVE-2022-46343",
"products": [
{
"name": {
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"evidence": "/affected/0/package/name"
},
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"evidence": "/affected/0/ranges"
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{
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"severity": "high",
"structured": {
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"aliases": [
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"metrics": [
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}
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"affected": [
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"package": {
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"package": {
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"package": {
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},
"database_specific": {
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},
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{
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],
"package": {
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"purl": "pkg:deb/debian/xwayland?arch=source&distro=forky",
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},
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"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-46343.json"
},
"ecosystem_specific": {
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}
}
],
"modified": "2026-10-15T08:03:10.062914371Z",
"provider": "osv",
"upstream": [
"CVE-2022-46343"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-46343"
]
},
"related_cves": [
{
"value": "CVE-2022-46343",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 325487,
"published_at": "2022-12-14T21:15:13.543+00:00"
}