CVE-2021-41794

ogs_fqdn_parse in Open5GS 1.0.0 through 2.3.3 inappropriately trusts a client-supplied length value, leading to a buffer overflow. The attacker can send a PFCP Session Establishment Request with "internet" as the PDI Network Instance. The first character is interpreted as a length value to be used ...

CVE-2022-3354

A vulnerability has been found in Open5GS up to 2.4.10 and classified as problematic. This vulnerability affects unknown code in the library lib/core/ogs-tlv-msg.c of the component UDP Packet Handler. The manipulation leads to denial of service. The exploit has been disclosed to the public and may ...

CVE-2023-37004

Open5GS MME versions

CVE-2023-37017

Open5GS MME versions

CVE-2023-37019

Open5GS MME versions

CVE-2023-37023

Open5GS MME versions

CVE-2023-23846

Due to insufficient length validation in the Open5GS GTP library versions prior to versions 2.4.13 and 2.5.7, when parsing extension headers in GPRS tunneling protocol (GPTv1-U) messages, a protocol payload with any extension header length set to zero causes an infinite loop. The affected process b...

CVE-2023-37005

Open5GS MME versions

CVE-2023-37009

Open5GS MME versions

CVE-2023-37018

Open5GS MME versions

CVE-2023-37002

Open5GS MME versions

CVE-2023-37010

Open5GS MME versions

CVE-2023-37021

Open5GS MME version

CVE-2024-34235

Open5GS MME versions

CVE-2023-37006

Open5GS MME versions

CVE-2025-29646

An issue in upf in open5gs 2.7.2 and earlier allows a remote attacker to cause a Denial of Service via a crafted PFCP SessionEstablishmentRequest packet with restoration indication = true and (teid = 0 or teid >= ogs_pfcp_pdr_teid_pool.size).

CVE-2025-44951

A missing length check in ogs_pfcp_dev_add function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the session.dev field with a value with length greater than 32.

CVE-2025-44952

A missing length check in ogs_pfcp_subnet_add function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the session.dnn field with a value with length greater than 101.

CVE-2025-7485

A vulnerability classified as problematic was found in Open5GS up to 2.7.3. Affected by this vulnerability is the function ngap_recv_handler/s1ap_recv_handler/recv_handler of the component SCTP Partial Message Handler. The manipulation leads to reachable assertion. The attack needs to be approached...

CVE-2025-6952

A vulnerability, which was classified as problematic, has been found in Open5GS up to 2.7.5. This issue affects the function amf_state_operational of the file src/amf/amf-sm.c of the component AMF Service. The manipulation leads to reachable assertion. It is possible to launch the attack on the loc...