Vulnerability Description
A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function udr_nudr_dr_handle_subscription_context of the file /src/udr/nudr-handler.c of the component UDR. The manipulation of the argument pei results in denial of service. The attack can be launched remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/issues/4410
- https://github.com/open5gs/open5gs/issues/4411
- https://vuldb.com/submit/805699
- https://vuldb.com/submit/805700
- https://vuldb.com/vuln/360883
- https://vuldb.com/vuln/360883/cti
- https://github.com/open5gs/open5gs/issues/4410
- https://vuldb.com/submit/805699
- https://vuldb.com/submit/805700
FAQ
What is CVE-2026-7707?
CVE-2026-7707 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function udr_nudr_dr_handle_subscription_context of the file /src/udr/nudr-handler.c of the component UDR. The manipulation of the arg...
How severe is CVE-2026-7707?
CVE-2026-7707 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-7707?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.