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 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-2025-21594

An Improper Check for Unusual or Exceptional Conditions vulnerability in the pfe packet forwarding engine of Juniper Networks Junos OS on MX Series causes a port within a pool to be blocked leading to Denial of Service DoS. In a DS-Lite Dual-Stack Lite and NAT Network Address Translation scenario...

CVE-2025-30660

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

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-2025-30659

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-2025-30660

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-2025-30660

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-2025-30647

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

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-2025-30660

CVE-2025-30660 affects Junos OS on Juniper MX Series with the Packet Forwarding Engine (pfe). The issue stems from an improper check for unusual conditions and can allow an unauthenticated, network-based attacker to trigger a DoS by processing a high rate of specific GRE traffic, causing the PFE ...

CVE-2025-30660 Junos OS: MX Series: Decapsulation of specific GRE packets leads to PFE reset

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-2025-30660 Junos OS: MX Series: Decapsulation of specific GRE packets leads to PFE reset

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 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-2025-30659 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

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...

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...

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-2025-15866 · 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 ...