CriticalFix available
xterm — security advisory
xterm before 375 allows code execution via font ops, e.g., because an OSC 50 response may have Ctrl-g and therefore lead to command execution within the vi line-editing mode of Zsh. NOTE: font ops are not allowed in the xterm default configurations of some Linux distributions.
- Products
- xterm
- Affected versions
- Not specified
- Fixed versions
- 375-1
- CVEs
- CVE-2022-45063
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 15:37 UTC · Revision 1
Source evidence
xterm before 375 allows code execution via font ops, e.g., because an OSC 50 response may have Ctrl-g and therefore lead to command execution within the vi line-editing mode of Zsh. NOTE: font ops are not allowed in the xterm default configurations of some Linux distributions.
osv:DEBIAN-CVE-2022-45063
xterm
Fixed versions: 375-1
xterm
Fixed versions: 375-1
xterm
Fixed versions: 375-1
Complete source record
{
"id": "61552438c474c358845da148c4d35d09c391fc603714ee188af075385cf1c91e",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-45063",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-45063",
"summary": "xterm before 375 allows code execution via font ops, e.g., because an OSC 50 response may have Ctrl-g and therefore lead to command execution within the vi line-editing mode of Zsh. NOTE: font ops are not allowed in the xterm default configurations of some Linux distributions.",
"evidence": "osv:DEBIAN-CVE-2022-45063",
"products": [
{
"name": {
"value": "xterm",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "375-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xterm",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "375-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xterm",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "375-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "critical",
"structured": {
"id": "DEBIAN-CVE-2022-45063",
"aliases": [
"DEBIAN-CVE-2022-45063"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "375-1"
}
]
}
],
"package": {
"name": "xterm",
"purl": "pkg:deb/debian/xterm?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-45063.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "375-1"
}
]
}
],
"package": {
"name": "xterm",
"purl": "pkg:deb/debian/xterm?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-45063.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "375-1"
}
]
}
],
"package": {
"name": "xterm",
"purl": "pkg:deb/debian/xterm?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-45063.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T08:03:09.838832288Z",
"provider": "osv",
"upstream": [
"CVE-2022-45063"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-45063"
]
},
"related_cves": [
{
"value": "CVE-2022-45063",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 325437,
"published_at": "2022-11-10T16:15:12.307+00:00"
}