CVE-2024-34476: OPEN5GS

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len.

Affected products

• OPEN5GS OPEN5GS: before 2.7.1 (fixed in 2.7.1)

Published 2024-05-05. Last modified 2026-06-17.