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...

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: 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: 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

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.,...

PT-2021-23407

Name of the Vulnerable Software and Affected Versions Open5GS versions 1.0.0 through 2.3.3 Description The issue arises from the ogs fqdn parse function in Open5GS, which inappropriately trusts a client-supplied length value. This leads to a buffer overflow when an attacker sends a PFCP Session...

CVE-2021-41794: Buffer Copy without Checking Size of Input

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 ...