HighFix available
cups — security advisory
Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. This issue has been fixed in CUPS version 2.4.7, released in September of 2023.
- Products
- cups
- Affected versions
- 2.4.2-3, 2.4.2-3+deb12u1
- Fixed versions
- 2.4.2-3+deb12u2, 2.4.2-6
- CVEs
- CVE-2023-4504
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 16:25 UTC · Revision 1
Source evidence
Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. This issue has been fixed in CUPS version 2.4.7, released in September of 2023.
osv:DEBIAN-CVE-2023-4504
cups
Fixed versions: 2.4.2-3+deb12u2
cups
Fixed versions: 2.4.2-6
cups
Fixed versions: 2.4.2-6
Complete source record
{
"id": "fdb35b6e42b2565b9d7207554a0fcbe71968fcde8b0c76d1b19deceb74c64f7b",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-4504",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-4504",
"summary": "Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. This issue has been fixed in CUPS version 2.4.7, released in September of 2023.",
"evidence": "osv:DEBIAN-CVE-2023-4504",
"products": [
{
"name": {
"value": "cups",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.2-3+deb12u2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "2.4.2-3",
"evidence": "/affected/0/versions"
},
{
"value": "2.4.2-3+deb12u1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "cups",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.2-6",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cups",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.2-6",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2023-4504",
"aliases": [
"DEBIAN-CVE-2023-4504"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.2-3+deb12u2"
}
]
}
],
"package": {
"name": "cups",
"purl": "pkg:deb/debian/cups?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2.4.2-3",
"2.4.2-3+deb12u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-4504.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.2-6"
}
]
}
],
"package": {
"name": "cups",
"purl": "pkg:deb/debian/cups?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-4504.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.2-6"
}
]
}
],
"package": {
"name": "cups",
"purl": "pkg:deb/debian/cups?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-4504.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:03:06.746608226Z",
"provider": "osv",
"upstream": [
"CVE-2023-4504"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-4504"
]
},
"related_cves": [
{
"value": "CVE-2023-4504",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 457672,
"published_at": "2023-09-21T23:15:12.293+00:00"
}