Open5GS SMF gsm-sm.c smf_gsm_state_wait_pfcp_deletion denial of service

A vulnerability was determined in Open5GS up to 2.7.5. Affected by this issue is the function smf_gsm_state_wait_pfcp_deletion of the file src/smf/gsm-sm.c of the component SMF. The manipulation leads to denial of service. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The patch is identified as c58b8f081986aaf2a312d73a0a17985518b47fe6. It is recommended to upgrade the affected component.

Open5GS AMF ngap_build_downlink_nas_transport assertion

A vulnerability was found in Open5GS up to 2.7.5. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. It is recommended to upgrade the affected component.

Open5GS SMF smf-sm.c smf_state_operational denial of service

A vulnerability was determined in Open5GS up to 2.7.5. This vulnerability affects the function smf_state_operational of the file src/smf/smf-sm.c of the component SMF. The manipulation of the argument stream leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version v2.7.6 is able to address this issue. The patch is identified as f168f7586a4fa536cee95ae60ac437d997f15b97. It is recommended to upgrade the affected component.

Open5GS AMF gmm-sm.c gmm_state_exception denial of service

A vulnerability was found in Open5GS up to 2.7.5. This affects the function gmm_state_exception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is f47f2bd4f7274295c5fbb19e2f806753d183d09a. It is recommended to upgrade the affected component.

Open5GS AMF npcf-build.c amf_nsmf_pdusession_build_create_sm_context denial of service

A vulnerability was identified in Open5GS up to 2.7.5. Affected by this vulnerability is the function amf_npcf_am_policy_control_build_create/amf_nsmf_pdusession_build_create_sm_context of the file src/amf/npcf-build.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The patch is named cf63dd63197bf61a4b041aa364ba6a6199ab15e4. It is recommended to upgrade the affected component.

Open5GS AMF esm-handler.c esm_handle_pdn_connectivity_request denial of service

A vulnerability has been found in Open5GS up to 2.7.5. Affected by this issue is the function esm_handle_pdn_connectivity_request of the file src/mme/esm-handler.c of the component AMF Component. The manipulation leads to denial of service. The attack may be launched remotely. Upgrading to version 2.7.6 is able to address this issue. The name of the patch is 701505102f514cbde2856cd2ebc9bedb7efc820d. It is recommended to upgrade the affected component.

Open5GS SCTP Partial Message recv_handler assertion

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 locally. The patch is named cfa44575020f3fb045fd971358442053c8684d3d. It is recommended to apply a patch to fix this issue.

Open5GS AMF/MME emm-sm.c common_register_state denial of service

A vulnerability was found in Open5GS up to 2.7.3. It has been declared as problematic. Affected by this vulnerability is the function common_register_state of the file src/mme/emm-sm.c of the component AMF/MME. The manipulation of the argument ran_ue_id leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 62cb99755243c9c38e4c060c5d8d0e158fe8cdd5. It is recommended to apply a patch to fix this issue.

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.

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).

Open5GS AMF Service amf-sm.c amf_state_operational assertion

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 local host. The identifier of the patch is 53e9e059ed96b940f7ddcd9a2b68cb512524d5db. It is recommended to apply a patch to fix this issue.

Open5GS AMF nsmf-handler.c amf_nsmf_pdusession_handle_update_sm_context denial of service

A vulnerability classified as problematic was found in Open5GS up to 2.7.2. Affected by this vulnerability is the function amf_nsmf_pdusession_handle_update_sm_context of the file src/amf/nsmf-handler.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. This vulnerability allows a single UE to crash the AMF, resulting in the complete loss of mobility and session management services and causing a network-wide outage. All registered UEs will lose connectivity, and new registrations will be blocked until the AMF is restarted, leading to a high availability impact. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue.

An issue in UPF in Open5GS UPF versions up to v2.7.2 results an assertion failure vulnerability in PFCP session parameter validation. When processing a PFCP Session Establishment Request with PDN Type=0, the UPF fails to handle the invalid value propagated from SMF (or via direct attack), triggering a fatal assertion check and causing a daemon crash.

An issue was discovered in open5gs v2.6.6. SIGPIPE can be used to crash AMF.

Open5GS NGAP PathSwitchRequest Message ngap-handler.c ngap_handle_path_switch_request_transfer assertion

A vulnerability classified as problematic was found in Open5GS up to 2.7.3. Affected by this vulnerability is the function ngap_handle_path_switch_request_transfer of the file src/smf/ngap-handler.c of the component NGAP PathSwitchRequest Message Handler. The manipulation leads to reachable assertion. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The patch is named 2daa44adab762c47a8cef69cc984946973a845b3. It is recommended to apply a patch to fix this issue.

Open5GS AMF/MME emm_state_authentication assertion

A vulnerability was found in Open5GS up to 2.7.3. It has been classified as problematic. Affected is the function gmm_state_authentication/emm_state_authentication of the component AMF/MME. The manipulation leads to reachable assertion. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 9f5d133657850e6167231527514ee1364d37a884. It is recommended to apply a patch to fix this issue. This is a different issue than CVE-2025-1893.

A vulnerability in /src/amf/amf-context.c in Open5GS 2.4.10 and earlier leads to AMF denial of service.

open5gs v2.4.11 was discovered to contain a memory leak in the component src/smf/pfcp-path.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PFCP packet.

open5gs v2.4.11 was discovered to contain a memory leak in the component src/upf/pfcp-path.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PFCP packet.

open5gs v2.4.11 was discovered to contain a memory leak in the component ngap-handler.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted UE attachment.