HighFix available
kamailio — security advisory
An issue in kamailio v.6.1.1 and before allows a remote attacker to cause a denial of service via the ims_registrar_pcscf module, specifically the pcscf_save_pending/save_pending path and security-agreement parsing in sec_agree.c:parse_sec_agree()
- Products
- kamailio
- Affected versions
- 5.6.3-2, 5.6.4-1, 5.7.0-1, 5.7.2-1, 5.7.3-1, 5.7.4-1, 5.8.2-2, 5.8.2-3, 5.8.2-4, 5.8.3-1, 5.8.4-1, 5.8.5-1, 6.0.0-1, 6.0.1-1, 6.0.1-1+deb13u1, 6.0.2-1, 6.0.2-2, 6.0.2-3, 6.0.3-1, 6.0.3-2, 6.0.3-3, 6.0.4-1, 6.0.5-1, 6.1.1-2, 6.1.1-2.1, 6.1.2-1, 6.1.3-1, 6.1.3-2, 6.1.4-1, 6.1.5-1
- Fixed versions
- 6.0.1-1+deb13u2, 6.1.4-1
- CVEs
- CVE-2026-52023
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 01:44 UTC · Revision 1
Source evidence
An issue in kamailio v.6.1.1 and before allows a remote attacker to cause a denial of service via the ims_registrar_pcscf module, specifically the pcscf_save_pending/save_pending path and security-agreement parsing in sec_agree.c:parse_sec_agree()
osv:DEBIAN-CVE-2026-52023
kamailio
Fixed versions: Not specified
kamailio
Fixed versions: 6.0.1-1+deb13u2
kamailio
Fixed versions: 6.1.4-1
Complete source record
{
"id": "e7ccc836e602243ca326d23d50bfc14e83e61980051353fc30cde14cd08ae7aa",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-52023",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-52023",
"summary": "An issue in kamailio v.6.1.1 and before allows a remote attacker to cause a denial of service via the ims_registrar_pcscf module, specifically the pcscf_save_pending/save_pending path and security-agreement parsing in sec_agree.c:parse_sec_agree()",
"evidence": "osv:DEBIAN-CVE-2026-52023",
"products": [
{
"name": {
"value": "kamailio",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.6.3-2",
"evidence": "/affected/0/versions"
},
{
"value": "5.6.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.7.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.7.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.7.3-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.7.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.2-2",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.2-3",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.2-4",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.3-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.5-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.0.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.0.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.0.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.0.2-2",
"evidence": "/affected/0/versions"
},
{
"value": "6.0.2-3",
"evidence": "/affected/0/versions"
},
{
"value": "6.0.3-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.0.3-2",
"evidence": "/affected/0/versions"
},
{
"value": "6.0.3-3",
"evidence": "/affected/0/versions"
},
{
"value": "6.0.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.0.5-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.1.1-2",
"evidence": "/affected/0/versions"
},
{
"value": "6.1.1-2.1",
"evidence": "/affected/0/versions"
},
{
"value": "6.1.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.1.3-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.1.3-2",
"evidence": "/affected/0/versions"
},
{
"value": "6.1.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.1.5-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "kamailio",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.0.1-1+deb13u2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": [
{
"value": "6.0.1-1",
"evidence": "/affected/1/versions"
},
{
"value": "6.0.1-1+deb13u1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "kamailio",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.1.4-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "6.0.1-1",
"evidence": "/affected/2/versions"
},
{
"value": "6.0.2-1",
"evidence": "/affected/2/versions"
},
{
"value": "6.0.2-2",
"evidence": "/affected/2/versions"
},
{
"value": "6.0.2-3",
"evidence": "/affected/2/versions"
},
{
"value": "6.0.3-1",
"evidence": "/affected/2/versions"
},
{
"value": "6.0.3-2",
"evidence": "/affected/2/versions"
},
{
"value": "6.0.3-3",
"evidence": "/affected/2/versions"
},
{
"value": "6.0.4-1",
"evidence": "/affected/2/versions"
},
{
"value": "6.0.5-1",
"evidence": "/affected/2/versions"
},
{
"value": "6.1.1-2",
"evidence": "/affected/2/versions"
},
{
"value": "6.1.1-2.1",
"evidence": "/affected/2/versions"
},
{
"value": "6.1.2-1",
"evidence": "/affected/2/versions"
},
{
"value": "6.1.3-1",
"evidence": "/affected/2/versions"
},
{
"value": "6.1.3-2",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2026-52023",
"aliases": [
"DEBIAN-CVE-2026-52023"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "kamailio",
"purl": "pkg:deb/debian/kamailio?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"5.6.3-2",
"5.6.4-1",
"5.7.0-1",
"5.7.2-1",
"5.7.3-1",
"5.7.4-1",
"5.8.2-2",
"5.8.2-3",
"5.8.2-4",
"5.8.3-1",
"5.8.4-1",
"5.8.5-1",
"6.0.0-1",
"6.0.1-1",
"6.0.2-1",
"6.0.2-2",
"6.0.2-3",
"6.0.3-1",
"6.0.3-2",
"6.0.3-3",
"6.0.4-1",
"6.0.5-1",
"6.1.1-2",
"6.1.1-2.1",
"6.1.2-1",
"6.1.3-1",
"6.1.3-2",
"6.1.4-1",
"6.1.5-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-52023.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.1-1+deb13u2"
}
]
}
],
"package": {
"name": "kamailio",
"purl": "pkg:deb/debian/kamailio?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"6.0.1-1",
"6.0.1-1+deb13u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-52023.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.1.4-1"
}
]
}
],
"package": {
"name": "kamailio",
"purl": "pkg:deb/debian/kamailio?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"6.0.1-1",
"6.0.2-1",
"6.0.2-2",
"6.0.2-3",
"6.0.3-1",
"6.0.3-2",
"6.0.3-3",
"6.0.4-1",
"6.0.5-1",
"6.1.1-2",
"6.1.1-2.1",
"6.1.2-1",
"6.1.3-1",
"6.1.3-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-52023.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:04:56.301153269Z",
"provider": "osv",
"upstream": [
"CVE-2026-52023"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-52023"
]
},
"related_cves": [
{
"value": "CVE-2026-52023",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 424173,
"published_at": "2026-09-01T18:17:43.36+00:00"
}