Vulnerability Description
Buffer Overflow vulnerability in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the NAS 5GS decoder chain, triggered when the message type byte of a NAS PDU is mutated
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Weaknesses (CWE)
References
- https://gist.github.com/centauruszzz/0d267967fc5d072f31c866603f7aaf7c
- https://gist.github.com/centauruszzz/0d267967fc5d072f31c866603f7aaf7c
FAQ
What is CVE-2026-71676?
CVE-2026-71676 is a vulnerability with a CVSS score of 7.5 (HIGH). Buffer Overflow vulnerability in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the NAS 5GS decoder chain, triggered when the message type byte of a NAS PDU is mutated
How severe is CVE-2026-71676?
CVE-2026-71676 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-71676?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.