CVE-2026-2517 (GCVE-0-2026-2517)
Vulnerability from cvelistv5 – Published: 2026-02-15 12:32 – Updated: 2026-02-15 12:32
VLAI?
Title
Open5GS SMF types.c ogs_gtp2_parse_tft denial of service
Summary
A security flaw has been discovered in Open5GS up to 2.7.6. This vulnerability affects the function ogs_gtp2_parse_tft in the library lib/gtp/v2/types.c of the component SMF. Performing a manipulation of the argument pf[0].content.length results in denial of service. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity ?
CWE
- CWE-404 - Denial of Service
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
Credits
LinZiyu (VulDB User)
{
"containers": {
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"affected": [
{
"modules": [
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],
"product": "Open5GS",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "2.7.0"
},
{
"status": "affected",
"version": "2.7.1"
},
{
"status": "affected",
"version": "2.7.2"
},
{
"status": "affected",
"version": "2.7.3"
},
{
"status": "affected",
"version": "2.7.4"
},
{
"status": "affected",
"version": "2.7.5"
},
{
"status": "affected",
"version": "2.7.6"
}
]
}
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"value": "LinZiyu (VulDB User)"
}
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}
],
"metrics": [
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
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"providerMetadata": {
"dateUpdated": "2026-02-15T12:32:08.127Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-346108 | Open5GS SMF types.c ogs_gtp2_parse_tft denial of service",
"tags": [
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"technical-description"
],
"url": "https://vuldb.com/?id.346108"
},
{
"name": "VDB-346108 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
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],
"url": "https://vuldb.com/?ctiid.346108"
},
{
"name": "Submit #738332 | Open5GS SMF v2.7.6 Denial of Service",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.738332"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/open5gs/open5gs/issues/4281"
},
{
"tags": [
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],
"url": "https://github.com/open5gs/open5gs/issues/4281#issue-3807802287"
},
{
"tags": [
"product"
],
"url": "https://github.com/open5gs/open5gs/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-02-14T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-02-14T01:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-02-14T21:06:34.000Z",
"value": "VulDB entry last update"
}
],
"title": "Open5GS SMF types.c ogs_gtp2_parse_tft denial of service"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-2517",
"datePublished": "2026-02-15T12:32:08.127Z",
"dateReserved": "2026-02-14T20:01:26.566Z",
"dateUpdated": "2026-02-15T12:32:08.127Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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