CVE-2025-30659 Junos OS: SRX Series: A device configured for vector routing crashes when receiving malformed traffic

An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When a device configured for Secure Vector Routing SVR receives a...

CVE-2025-30656

CVE-2025-30656 describes an Improper Handling of Additional Special Element vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series (MS-MPC, MS-MIC, SPC3) and SRX Series. The issue can allow an unauthenticated, network-based attacker to cause a sustained Deni...

CVE-2025-30647 Junos OS: MX Series: Subscriber login/logout activity will lead to a memory leak

A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to cause a Denial-of-Service DoS. In a subscriber management scenario, login/logout activity triggers a memo...

CVE-2025-21595 Junos OS and Junos OS Evolved: In an EVPN-VXLAN scenario specific ARP or NDP packets cause FPC to crash

A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause an FPC to crash, leading to Denial of Service DoS. On all Junos OS and Junos OS Evolved...

CVE-2025-21595

A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS and Junos OS Evolved can cause an FPC crash and DoS. In EVPN-VXLAN, receiving specific ARP (IPv4) or NDP (IPv6) packets triggers kernel heap memory leaks and event...

PT-2025-15845 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Junos OS versions 21.2 through 21.2R3-S8 Junos OS versions 21.4 through 21.4R3-S7 Junos OS versions 22.1 through 22.1R3-S6 Junos OS versions 22.2 through 22.2R3-S4 Junos OS versions 22.3 through 22.3R3-S3 Junos OS versions 22.4 through...

PT-2025-15849 · Juniper Networks · Junos Evolved +1

Name of the Vulnerable Software and Affected Versions: Junos OS versions prior to 21.2R3-S7 Junos OS versions 21.4 prior to 21.4R3-S4 Junos OS versions 22.2 prior to 22.2R3-S1 Junos OS versions 22.3 prior to 22.3R3-S1 Junos OS versions 22.4 prior to 22.4R2-S2, 22.4R3 Junos OS Evolved versions pri...

CVE-2025-21595: Missing Release of Memory after Effective Lifetime

A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause an FPC to crash, leading to Denial of Service DoS. On all Junos OS and Junos OS Evolved...

CVE-2025-30647: Missing Release of Memory after Effective Lifetime

A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to cause a Denial-of-Service DoS. In a subscriber management scenario, login/logout activity triggers a memo...

Juniper Networks Junos OS MX security vulnerabilities

Juniper Networks Junos OS MX is a Juniper Networks USA network operating system dedicated to the company's hardware devices. The operating system provides a secure programming interface and the Junos SDK. A security vulnerability exists in Juniper Networks Junos OS MX that stems from a memory lea...

CVE-2025-30660: 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 MX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS.When processing a high rate of specific GRE traffic destined to th...

CVE-2025-30659: Improper Handling of Length Parameter Inconsistency

An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When a device configured for Secure Vector Routing SVR receives a...

CVE-2025-30656: Improper Handling of Additional Special Element

An Improper Handling of Additional Special Element vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on MX Series with MS-MPC, MS-MIC and SPC3, and SRX Series, allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. If the SIP ALG processes...

PT-2025-15866 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Junos OS versions 21.4 through 24.2R2, specifically: Junos OS versions 21.4 Junos OS versions 22.2 before 22.2R3-S6 Junos OS versions 22.4 before 22.4R3-S6 Junos OS versions 23.2 before 23.2R2-S3 Junos OS versions 23.4 before 23.4R2-S4 Junos ...

Juniper Junos OS Vulnerability (JSA96470)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA96470 advisory. - An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on SRX Series allows an...

Juniper Junos OS Vulnerability (JSA96471)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA96471 advisory. - An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on MX Series allows an...

Juniper Junos OS Vulnerability (JSA96457)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA96457 advisory. - A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on MX Series allows an unauthenticated...

Juniper Networks’ Junos OS Evolved Packet Forwarding Engine DoS

The vulnerability of the Packet Forwarding Engine PFE module in Juniper Networks’ Junos OS Evolved operating systems is related to insufficient validation of input data. Exploiting this vulnerability can allow attackers to cause service failures...

Juniper Junos OS Vulnerability (JSA88134)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA88134 advisory. - An Improper Validation of Specified Type of Input vulnerability in the packet forwarding engine pfe Juniper Networks Junos OS on SRX5000 Series allows an unauthenticated,...

Juniper Networks Packet Forwarding Engine DoS

The vulnerability of the Packet Forwarding Engine PFE module in Juniper Networks’ Junos OS routers of the MX Series and Junos OS Evolved routers of the PTX Series and ACX Series is related to improper syntax validation during input verification. Exploiting this vulnerability can allow an attacker...