MediumFix available
gnome-shell — security advisory
A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.
- Products
- gnome-shell
- Affected versions
- 43.4-1, 43.6-1~deb12u1
- Fixed versions
- 43.6-1~deb12u2, 44.5-1
- CVEs
- CVE-2023-43090
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 16:26 UTC · Revision 1
Source evidence
A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.
osv:DEBIAN-CVE-2023-43090
gnome-shell
Fixed versions: 43.6-1~deb12u2
gnome-shell
Fixed versions: 44.5-1
gnome-shell
Fixed versions: 44.5-1
Complete source record
{
"id": "fc25f4358749dd5071eb29c72c63f1f8ae298c40fe2e5d6ce60205834dcafbda",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-43090",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-43090",
"summary": "A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.",
"evidence": "osv:DEBIAN-CVE-2023-43090",
"products": [
{
"name": {
"value": "gnome-shell",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "43.6-1~deb12u2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "43.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "43.6-1~deb12u1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "gnome-shell",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "44.5-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "gnome-shell",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "44.5-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2023-43090",
"aliases": [
"DEBIAN-CVE-2023-43090"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "43.6-1~deb12u2"
}
]
}
],
"package": {
"name": "gnome-shell",
"purl": "pkg:deb/debian/gnome-shell?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"43.4-1",
"43.6-1~deb12u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-43090.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "44.5-1"
}
]
}
],
"package": {
"name": "gnome-shell",
"purl": "pkg:deb/debian/gnome-shell?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-43090.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "44.5-1"
}
]
}
],
"package": {
"name": "gnome-shell",
"purl": "pkg:deb/debian/gnome-shell?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-43090.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:03:07.004962795Z",
"provider": "osv",
"upstream": [
"CVE-2023-43090"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-43090"
]
},
"related_cves": [
{
"value": "CVE-2023-43090",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 457697,
"published_at": "2023-09-22T06:15:09.81+00:00"
}