EUVD-2026-2692

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

CVE-2026-21903 Junos OS: Subscribing to telemetry sensors at scale causes all FPCs to crash

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

CVE-2026-21903

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

CVE-2026-21903

CVE-2026-21903 is a stack-based buffer overflow in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS. A network-based attacker with low privileges can trigger a Denial-of-Service by subscribing to telemetry sensors at scale, which causes all FPC connections to drop, an FPC crash, an...

Juniper Networks Junos OS code-related vulnerabilities

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices used by Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. Code vulnerabilities existed in versions prior to Junos OS 21.4R3-S12, all versions of Junos...

CVE-2026-21903: Stack-based Buffer Overflow

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

Juniper Networks Junos OS security vulnerabilities

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices used by Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. Vulnerabilities exist in versions of Juniper Networks Junos OS prior to 21.4R3-S12, 22.4R3-S...

PT-2026-3118

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions prior to 22.4R3-S7 Juniper Networks Junos OS versions prior to 23.2R2-S4 Juniper Networks Junos OS versions prior to 23.4R2 Description A Stack-based Buffer Overflow exists in the Packet Forwarding Engine pfe...

CVE-2026-21910: Improper Check for Unusual or Exceptional Conditions

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on EX4k Series and QFX5k Series platforms allows an unauthenticated network-adjacent attacker flapping an interface to cause traffic between VXLAN Network...

EUVD-2025-205531

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...

PT-2025-53699

Name of the Vulnerable Software and Affected Versions Open5GS versions through 2.7.5 Description A flaw exists in Open5GS affecting the decode ipv6 header/ogs pfcp pdr rule find by packet function within the lib/pfcp/rule-match.c file of the PFCP Session Establishment Request Handler component...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the handleSessionEstablishmentRequest function in the PFCP Session Establishment Request Handler component. An attacker can cause a denial of service by sending specially crafted PFCP Session Establishment...

EUVD-2025-204568

A vulnerability was found in Open5GS up to 2.7.5. Affected by this vulnerability is the function ogspfcphandlecreatepdr in the library lib/pfcp/handler.c of the component PFCP. The manipulation results in improper initialization. It is possible to launch the attack remotely. This attack is...

CVE-2025-14953

A flaw has been found in Open5GS up to 2.7.5. This impacts the function ogspfcphandlecreatepdr in the library lib/pfcp/handler.c of the component FAR-ID Handler. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The attack requires a high leve...

EUVD-2025-204569

A vulnerability has been found in Open5GS up to 2.7.5. Affected is the function ogspfcppdrfindoradd/ogspfcpfarfindoradd/ogspfcpurrfindoradd/ogspfcpqerfindoradd in the library lib/pfcp/context.c of the component QER/FAR/URR/PDR. The manipulation leads to reachable assertion. It is possible to...

CVE-2025-14953

A flaw has been found in Open5GS up to 2.7.5. This impacts the function ogspfcphandlecreatepdr in the library lib/pfcp/handler.c of the component FAR-ID Handler. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The attack requires a high leve...

CVE-2025-14953 Open5GS FAR-ID handler.c ogs_pfcp_handle_create_pdr null pointer dereference

A flaw has been found in Open5GS up to 2.7.5. This impacts the function ogspfcphandlecreatepdr in the library lib/pfcp/handler.c of the component FAR-ID Handler. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The attack requires a high leve...

Open5GS 安全漏洞

Open5GS is an Open5GS open source C open source implementation of 5G Core and Epc, the core network of the Lte/Nr network. A security vulnerability exists in Open5GS version 2.7.5 and earlier, which stems from a misbehavior of the function ogspfcphandlecreatepdr in the PFCP component, which could...

Open5GS 安全漏洞

Open5GS is an Open5GS open source C open source implementation of 5G Core and Epc, the core network of the Lte/Nr network. A security vulnerability exists in Open5GS version 2.7.5 and earlier, which stems from a misbehavior of the function ogspfcppdrfindoradd in the QER/FAR/URR/PDR component, whi...

CVE-2025-65566

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. When the UPF receives a PFCP Session Report Response that is missing the mandatory Cause Information Element, the session report handler dereferences a nil pointer instead ...