UnratedFix available
cups: Fix of CVE-2021-25317
Type: advisorySources: OSV
- CVE-2021-25317: ship /var/log/cups owned by root:lp instead of lp:sys so a local lp user can no longer plant a symlink in the log directory and make the root cupsd create arbitrary root-owned files, matching current RHEL 9 packaging
- Products
- cups, cups-client, cups-devel, cups-filesystem, cups-ipptool, cups-libs, cups-lpd, cups-printerapp
- Affected versions
- Not specified
- Fixed versions
- 1:2.3.3op2-16.el9_2.1.tuxcare.els15
- CVEs
- CVE-2021-25317
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:43 UTC · Revision 1
Source evidence
- CVE-2021-25317: ship /var/log/cups owned by root:lp instead of lp:sys so a local lp user can no longer plant a symlink in the log directory and make the root cupsd create arbitrary root-owned files, matching current RHEL 9 packaging
osv:CLSA-2026-1787145903
cups
Fixed versions: 1:2.3.3op2-16.el9_2.1.tuxcare.els15
cups-client
Fixed versions: 1:2.3.3op2-16.el9_2.1.tuxcare.els15
cups-devel
Fixed versions: 1:2.3.3op2-16.el9_2.1.tuxcare.els15
cups-filesystem
Fixed versions: 1:2.3.3op2-16.el9_2.1.tuxcare.els15
cups-ipptool
Fixed versions: 1:2.3.3op2-16.el9_2.1.tuxcare.els15
cups-libs
Fixed versions: 1:2.3.3op2-16.el9_2.1.tuxcare.els15
cups-lpd
Fixed versions: 1:2.3.3op2-16.el9_2.1.tuxcare.els15
cups-printerapp
Fixed versions: 1:2.3.3op2-16.el9_2.1.tuxcare.els15
Complete source record
{
"id": "b9f41ec48e8ebe545e2f2b2c89271f893ae426992af37fe27d09eed391240f4e",
"url": "https://osv.dev/vulnerability/CLSA-2026-1787145903",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "cups: Fix of CVE-2021-25317",
"summary": "- CVE-2021-25317: ship /var/log/cups owned by root:lp instead of lp:sys so a local lp user can no longer plant a symlink in the log directory and make the root cupsd create arbitrary root-owned files, matching current RHEL 9 packaging",
"evidence": "osv:CLSA-2026-1787145903",
"products": [
{
"name": {
"value": "cups",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.3.3op2-16.el9_2.1.tuxcare.els15",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cups-client",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.3.3op2-16.el9_2.1.tuxcare.els15",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cups-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.3.3op2-16.el9_2.1.tuxcare.els15",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cups-filesystem",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.3.3op2-16.el9_2.1.tuxcare.els15",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cups-ipptool",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.3.3op2-16.el9_2.1.tuxcare.els15",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cups-libs",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.3.3op2-16.el9_2.1.tuxcare.els15",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cups-lpd",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.3.3op2-16.el9_2.1.tuxcare.els15",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cups-printerapp",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.3.3op2-16.el9_2.1.tuxcare.els15",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1787145903",
"aliases": [
"CLSA-2026-1787145903"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.3.3op2-16.el9_2.1.tuxcare.els15"
}
]
}
],
"package": {
"name": "cups",
"purl": "pkg:rpm/tuxcare/cups?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1787145903.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.3.3op2-16.el9_2.1.tuxcare.els15"
}
]
}
],
"package": {
"name": "cups-client",
"purl": "pkg:rpm/tuxcare/cups-client?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1787145903.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.3.3op2-16.el9_2.1.tuxcare.els15"
}
]
}
],
"package": {
"name": "cups-devel",
"purl": "pkg:rpm/tuxcare/cups-devel?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1787145903.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.3.3op2-16.el9_2.1.tuxcare.els15"
}
]
}
],
"package": {
"name": "cups-filesystem",
"purl": "pkg:rpm/tuxcare/cups-filesystem?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1787145903.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.3.3op2-16.el9_2.1.tuxcare.els15"
}
]
}
],
"package": {
"name": "cups-ipptool",
"purl": "pkg:rpm/tuxcare/cups-ipptool?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1787145903.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.3.3op2-16.el9_2.1.tuxcare.els15"
}
]
}
],
"package": {
"name": "cups-libs",
"purl": "pkg:rpm/tuxcare/cups-libs?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1787145903.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.3.3op2-16.el9_2.1.tuxcare.els15"
}
]
}
],
"package": {
"name": "cups-lpd",
"purl": "pkg:rpm/tuxcare/cups-lpd?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1787145903.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.3.3op2-16.el9_2.1.tuxcare.els15"
}
]
}
],
"package": {
"name": "cups-printerapp",
"purl": "pkg:rpm/tuxcare/cups-printerapp?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1787145903.json"
}
}
],
"modified": "2026-10-26T09:30:32.325626618Z",
"provider": "osv",
"upstream": [
"CVE-2021-25317"
],
"references": [
"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1787145903.html",
"https://nvd.nist.gov/vuln/detail/CVE-2021-25317"
]
},
"related_cves": [
{
"value": "CVE-2021-25317",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447113,
"published_at": "2026-08-19T13:25:14+00:00"
}