CVE-2026-37198 Integer overflow in n/a

High 7.5 Published Updated

Attackers can cause a Denial of Service in Open5GS by sending crafted GTP packets that trigger an integer overflow in the SMF component.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-37198?

CVE-2026-37198 is a high-severity vulnerability in n/a, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-190

Which versions are affected by CVE-2026-37198?

How do I fix CVE-2026-37198?

No fix has been published for CVE-2026-37198 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-37198 being exploited?

There is no known exploitation of CVE-2026-37198 in the wild and no public exploit code.

Sources

Also known as GHSA-3q9g-cv44-9m67.

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