CVE-2026-37198

Description

An integer overflow in the SMF component of Open5GS v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted GTP packet.

References

• https://gist.github.com/hackeryounow/b1b6475d9c1d9b2bd1f1ef895d1f298c
• https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-37198
• https://github.com/open5gs/open5gs/issues/4277
• https://github.com/open5gs/open5gs/issues/4278