EUVD-2026-42723

An Improper Handling of Undefined Parameters vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on EX Series devices allows an authenticated attacker with low privileges to cause a Denial-of-Service DoS. If an attempt is made to subscribe to an unsupported telemetry...

EUVD-2026-42715

A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX Series devices allows an unauthenticated adjacent attacker to cause a Denial-of-Service DoS.When sFlow is configured in a Virtual Chassis VC scenario...

CVE-2026-57032

CVE-2026-57032 describes an improper handling of undefined parameters in the packet forwarding engine (pfe) of Juniper Networks Junos OS on EX Series devices. When attempting to subscribe to an unsupported telemetry sensor path on EX2300, EX3400, EX4000, EX4100, and EX4400 via gRPC, the Front Pan...

CVE-2026-57027

A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX Series devices allows an unauthenticated adjacent attacker to cause a Denial-of-Service DoS.When sFlow is configured in a Virtual Chassis VC scenario...

CVE-2026-57027

CVE-2026-57027 affects Juniper Networks Junos OS on EX4100 and EX4400 in sFlow VC deployments. When multicast traffic is exchanged between VC members, a memory leak in the packet forwarding engine (pfe) can cause an FPC crash and restart, leading to DoS for unauthenticated adjacent attackers. Aff...

CVE-2026-33802

Summary: CVE-2026-33802 is a Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on EX Series switches (EX2300, EX4000, EX4100, EX4300-MP, EX4400) that allows a locally authenticated attacker with no specific permissions to execute a privileged CLI command and trigger a Do...

Juniper Junos OS Vulnerability (JSA75734)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA75734 advisory. - An Improper Validation of Syntactic Correctness of Input vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows a network-based,...

CVE-2026-33773

An Incorrect Initialization of Resource vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX Series and QFX Series device allows an unauthenticated, network-based attacker to cause an integrity impact to downstream networks. When the same family inet or...

CVE-2026-33773 Junos OS: EX Series, QFX Series: If the same egress filter is configured on both an IRB and a physical interface one of those is not applied

An Incorrect Initialization of Resource vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX Series and QFX Series device allows an unauthenticated, network-based attacker to cause an integrity impact to downstream networks. When the same family inet or...

PT-2026-31747

An Incorrect Initialization of Resource vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX Series and QFX Series device allows an unauthenticated, network-based attacker to cause an integrity impact to downstream networks. When the same family inet or...

EUVD-2023-48562

Malicious code in bioql PyPI...

EUVD-2025-10519

Malicious code in bioql PyPI...

Juniper Junos OS Vulnerability (JSA79089)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA79089 advisory. - An Improper Isolation or Compartmentalization vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on QFX5000 Series, or an EX4100 Series, EX4400...

CVE-2024-21595

An Improper Validation of Syntactic Correctness of Input vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service DoS. If an attacker sends high rate of specific ICMP traffic to a device with VXLAN...

CVE-2024-21595

An Improper Validation of Syntactic Correctness of Input vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service DoS. If an attacker sends high rate of specific ICMP traffic to a device with VXLAN...

Input validation

An Improper Validation of Syntactic Correctness of Input vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service DoS. If an attacker sends high rate of specific ICMP traffic to a device with VXLAN...

CVE-2024-21595

CVE-2024-21595 describes an issue in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS where improper validation of input syntax can be exploited by a network-based, unauthenticated attacker sending a high rate of specific ICMP traffic over a VXLAN-enabled device. This can cause a P...

CVE-2024-21595 Junos OS: EX4100, EX4400, EX4600, QFX5000 Series: A high rate of specific ICMP traffic will cause the PFE to hang

An Improper Validation of Syntactic Correctness of Input vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service DoS. If an attacker sends high rate of specific ICMP traffic to a device with VXLAN...

PT-2024-1132 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS versions 21.4R3 through 21.4R3-S4 Juniper Networks Junos OS versions 22.1R3 through 22.1R3-S3 Juniper Networks Junos OS versions 22.2R2 through 22.2R3-S1 Juniper Networks Junos OS versions 22.3 through 22.3R2-S2,...

CVE-2023-44203

An Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600 allows a adjacent attacker to send specific traffic, which leads to packet flooding, resulting in a...