CVE-2026-108103

Open5GS through 2.8.0 contains a heap out-of-bounds read vulnerability in ogspfcpparsedroppeddltrafficthreshold that allows remote unauthenticated attackers to read past IE buffers via short IEs. Attackers can send PFCP Session Establishment or Modification Requests to the UPF on UDP port 8805 wi...

CVE-2025-70123: Improper Input Validation

An improper input validation and protocol compliance vulnerability in free5GC v4.0.1 allows remote attackers to cause a denial of service. The UPF incorrectly accepts a malformed PFCP Association Setup Request, violating 3GPP TS 29.244. This places the UPF in an inconsistent state where a...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the establishPfcpSession function. An attacker can cause a denial of service by sending specially crafted requests that trigger a null pointer dereference in the SMF component. Remediation Upgrade...

CVE-2025-15176: Reachable Assertion

A flaw has been found in Open5GS up to 2.7.5. This affects the function decodeipv6header/ogspfcppdrrulefindbypacket of the file lib/pfcp/rule-match.c of the component PFCP Session Establishment Request Handler. Executing a manipulation can lead to reachable assertion. It is possible to launch the...

CVE-2025-15156: NULL Pointer Dereference

A flaw has been found in omec-project UPF up to 2.1.3-dev. This affects the function handleSessionEstablishmentRequest of the file /pfcpiface/pfcpiface/messagessession.go of the component PFCP Session Establishment Request Handler. This manipulation causes null pointer dereference. The attack may...

CVE-2025-65568

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association, a PFCP Session Establishment Request that includes a CreateFAR with an empty or truncated IPv4 address field is not properly validated. During...

PT-2025-52290

Name of the Vulnerable Software and Affected Versions omec-project UPF versions up to 2.1.3-dev Description A flaw exists in the omec-project UPF pfcpiface component that can lead to a denial-of-service condition. Specifically, a crafted PFCP Session Establishment Request, containing a malformed...

CVE-2025-65568: Out-of-bounds Read

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association, a PFCP Session Establishment Request that includes a CreateFAR with an empty or truncated IPv4 address field is not properly validated. During...

CVE-2025-65559: Reachable Assertion

An issue was discovered in Open5GS 2.7.5-49-g465e90f, when processing a PFCP Session Establishment Request type=50, the UPF crashes with a reachable assertion in lib/pfcp/context.c ogspfcpobjectteidhashset if the CreatePDR?PDI?F-TEID has CH=1 and the F-TEID address-family flags IPv4/IPv6 do not...

CVE-2025-65567: Out-of-bounds Read

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association, a specially crafted PFCP Session Establishment Request with a CreatePDR that contains a malformed Flow-Description is not robustly validated. The...

CVE-2025-65565: NULL Pointer Dereference

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association is established, a PFCP Session Establishment Request that is missing the mandatory F-SEID CPF-SEID Information Element is not properly validated. The...

EUVD-2021-28802

Malicious code in bioql PyPI...

CVE-2022-39063

When Open5GS UPF receives a PFCP Session Establishment Request, it stores related values for building the PFCP Session Establishment Response. Once UPF receives a request, it gets the fteidlen from incoming message, and then uses it to copy data from incoming message to struct fteid without...

CVE-2021-41794

ogsfqdnparse 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-2022-39063: Use of Potentially Dangerous Function

When Open5GS UPF receives a PFCP Session Establishment Request, it stores related values for building the PFCP Session Establishment Response. Once UPF receives a request, it gets the fteidlen from incoming message, and then uses it to copy data from incoming message to struct fteid without...

PT-2022-24705

Name of the Vulnerable Software and Affected Versions Open5GS UPF affected versions not specified Description The issue occurs when Open5GS UPF receives a PFCP Session Establishment Request. It stores related values without checking the maximum length, which can lead to a memcpy overwrite of fiel...

CVE-2021-41794

ogsfqdnparse 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-2021-41794

ogsfqdnparse 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-2021-41794

ogsfqdnparse 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-2021-41794

Open5GS CVE-2021-41794 affects Open5GS versions 1.0.0–2.3.3. The function ogs_fqdn_parse trusts a client-supplied length and uses it in a memcpy into a 100-byte stack buffer, enabling a buffer overflow when processing a PFCP Session Establishment Request with a crafted PDI Network Instance (e.g.,...