High
Security advisory
An issue in upf in open5gs 2.7.2 and earlier allows a remote attacker to cause a Denial of Service via a crafted PFCP SessionEstablishmentRequest packet with restoration indication = true and (teid = 0 or teid >= ogs_pfcp_pdr_teid_pool.size).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-29646
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 16:31 UTC · Revision 1
Source evidence
An issue in upf in open5gs 2.7.2 and earlier allows a remote attacker to cause a Denial of Service via a crafted PFCP SessionEstablishmentRequest packet with restoration indication = true and (teid = 0 or teid >= ogs_pfcp_pdr_teid_pool.size).
osv:CVE-2025-29646
Complete source record
{
"id": "6b2f7162cfdcc07b0b8d55e8ad59930ce65249beedb74135afed4a661a5e1a77",
"url": "https://osv.dev/vulnerability/CVE-2025-29646",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2025-29646",
"summary": "An issue in upf in open5gs 2.7.2 and earlier allows a remote attacker to cause a Denial of Service via a crafted PFCP SessionEstablishmentRequest packet with restoration indication = true and (teid = 0 or teid >= ogs_pfcp_pdr_teid_pool.size).",
"evidence": "osv:CVE-2025-29646",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2025-29646",
"aliases": [
"CVE-2025-29646"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/open5gs/open5gs",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "43fa4857cce8af6b6ec3c8e3b0cbf99444948f76"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.7.2"
}
],
"source": "DESCRIPTION"
},
{
"cpe": "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.7.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v2.7.2",
"v2.7.1",
"v2.7.0",
"v2.6.6",
"v2.6.4",
"v2.6.3",
"v2.6.2",
"v2.6.1",
"v2.4.9",
"v2.4.8",
"v2.4.7",
"v2.4.5",
"v2.4.4",
"v2.4.3",
"v2.4.1",
"v2.4.0",
"v2.3.6",
"v2.3.2",
"v2.3.0",
"v2.2.9",
"v2.2.8",
"v2.2.7",
"v2.2.6",
"v2.2.1",
"v2.2.0",
"v2.1.7",
"v2.1.5",
"v2.1.4",
"v2.1.3",
"v2.1.1",
"v2.1.0",
"v2.0.22",
"v2.0.18",
"v2.0.0",
"v1.3.0",
"v1.2.4",
"v1.2.3",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.1.0",
"v1.0.0",
"v0.5.2",
"v0.5.1",
"v0.5.0",
"v0.4.4",
"v0.4.3",
"v0.4.2",
"v0.4.1",
"v0.3.10",
"v0.3.8",
"v0.3.6",
"v0.3.5",
"v0.3.4",
"v0.3.3",
"v0.3.2",
"v0.3.1",
"v0.3.0",
"v0.2.0",
"v0.1.1",
"v0.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-29646.json"
}
}
],
"modified": "2026-10-28T02:30:20.920682583Z",
"provider": "osv",
"references": [
"https://gist.github.com/scmdcs/581fa485f957239ea5551daa173d0189",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/29xxx/CVE-2025-29646.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-29646",
"https://github.com/open5gs/open5gs/issues/3747"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/29xxx/CVE-2025-29646.json"
}
},
"related_cves": [
{
"value": "CVE-2025-29646",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 487145,
"published_at": "2025-06-18T00:00:00+00:00"
}