Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Open5Gs | Open5Gs | <= 2.7.6 |
Related Weaknesses (CWE)
References
- https://github.com/open5gs/open5gs/Product
- https://github.com/open5gs/open5gs/issues/4281ExploitIssue TrackingVendor Advisory
- https://github.com/open5gs/open5gs/issues/4281#issue-3807802287ExploitIssue TrackingVendor Advisory
- https://vuldb.com/?ctiid.346108Permissions RequiredVDB Entry
- https://vuldb.com/?id.346108Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.738332Third Party AdvisoryVDB Entry
FAQ
What is CVE-2026-2517?
CVE-2026-2517 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...
How severe is CVE-2026-2517?
CVE-2026-2517 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-2517?
Check the references section above for vendor advisories and patch information. Affected products include: Open5Gs Open5Gs.