Low
Open5GS UDR subscription.c ogs_dbi_subscription_data denial of service
Type: advisorySources: OSV
A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogs_dbi_subscription_data in the library /lib/dbi/subscription.c of the component UDR. This manipulation of the argument supi_id causes denial of service. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-7708
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 02:51 UTC · Revision 1
Source evidence
Open5GS UDR subscription.c ogs_dbi_subscription_data denial of service
core-osv · Original sourcePublished 3 May 2026, 22:45 UTC
A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogs_dbi_subscription_data in the library /lib/dbi/subscription.c of the component UDR. This manipulation of the argument supi_id causes denial of service. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
osv:CVE-2026-7708
Complete source record
{
"id": "ad9e179d7eb1e55b71d0c909657ee1055b73bd6a47bb1d698c9620edb9269a22",
"url": "https://osv.dev/vulnerability/CVE-2026-7708",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Open5GS UDR subscription.c ogs_dbi_subscription_data denial of service",
"summary": "A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogs_dbi_subscription_data in the library /lib/dbi/subscription.c of the component UDR. This manipulation of the argument supi_id causes denial of service. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.",
"evidence": "osv:CVE-2026-7708",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2026-7708",
"aliases": [
"CVE-2026-7708"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/open5gs/open5gs",
"type": "GIT",
"events": [
{
"introduced": "83e35bb2de7e67646fdba849580184422b10006a"
},
{
"last_affected": "318eeb49a7dcdff733dec60e02d9c60aefca2fb9"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "2.7.0"
},
{
"last_affected": "2.7.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "2.7.1"
},
{
"last_affected": "2.7.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "2.7.2"
},
{
"last_affected": "2.7.2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "2.7.5"
},
{
"last_affected": "2.7.5"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "2.7.6"
},
{
"last_affected": "2.7.6"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "2.7.7"
},
{
"last_affected": "2.7.7"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "5GS"
},
{
"last_affected": "2.7.7"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
"2.7.0",
"2.7.1",
"2.7.2",
"2.7.5",
"2.7.6",
"2.7.7",
"v2.7.7",
"v2.7.2",
"v2.7.1",
"v2.7.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-7708.json"
}
}
],
"modified": "2026-10-28T02:30:48.974101396Z",
"provider": "osv",
"references": [
"https://github.com/open5gs/open5gs/",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7708.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-7708",
"https://vuldb.com/submit/805701",
"https://vuldb.com/vuln/360884",
"https://github.com/open5gs/open5gs/issues/4412",
"https://vuldb.com/vuln/360884/cti"
],
"provider_metadata": {
"cwe_ids": [
"CWE-404"
],
"cna_assigner": "VulDB",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "2.7.3"
},
{
"last_affected": "2.7.3"
},
{
"introduced": "2.7.4"
},
{
"last_affected": "2.7.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7708.json"
}
},
"related_cves": [
{
"value": "CVE-2026-7708",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 517511,
"published_at": "2026-05-03T22:45:13.612+00:00"
}