CVE-2025-70122

HIGH

7.5

Description

A heap buffer overflow vulnerability in the UPF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted PFCP Session Modification Request. The issue occurs in the SDFFilterFields.UnmarshalBinary function (sdf-filter.go) when processing a declared length that exceeds the actual buffer capacity, leading to a runtime panic and UPF crash.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie2/13/2026

Derniere modification2/18/2026

Sourcenvd

Observations honeypot0

Produits affectes

free5gc:free5gc

Faiblesses (CWE)

CWE-122

References

https://github.com/free5gc/free5gc/issues/746(cve@mitre.org)

Correlations IOC

Aucune correlation enregistree

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