CVE-2026-57031: 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 adjacent subscribers to bypass configured firewall filters. On MX Series devices with MPC10/11, LC4800/9600, and MX304 with subscribers...

CVE-2026-33799: Out-of-bounds Write

An Out-of-bounds Write vulnerability in the SNMP daemon snmpd of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated network-based attacker sending specific valid SNMPv3 queries to trigger a memory leak. Over time, continuous receipt of these queries will result in snmpd proces...

CVE-2026-33801: Improper Check for Unusual or Exceptional Conditions

An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon RPD of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker sending a specific BGP update over an established BGP session to cause a Denial-of-Service DoS...

CVE-2026-33803: Improper Restriction of Communication Channel to Intended Endpoints

An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device. Due to a wrong initialization, a process whi...

CVE-2026-57023: Improper Validation of Specified Quantity in Input

An Improper Validation of Specified Quantity in Input vulnerability in the TCP proxy plugin of Juniper Networks Junos OS on MX Series with SPC3, and SRX Series allows an unauthenticated, network-based attacker to cause a complete Denial of Service DoS. When TCP proxy is engaged in a flow session,...

CVE-2026-57054: Use of Incorrectly-Resolved Name or Reference

A Use of Incorrectly-Resolved Name or Reference vulnerability in the URL filtering plugin of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass web filtering and access downstream resources that should be unreachable. If an MX Series device is...

PT-2026-56973

Name of the Vulnerable Software and Affected Versions Junos OS on MX Series versions prior to 23.2R2-S6 Junos OS on MX Series versions 23.4 through 23.4R2-S7 Junos OS on MX Series versions 24.2 through 24.2R2-S4 Junos OS on MX Series versions 24.4 through 24.4R2-S4 Junos OS on MX Series versions...

PT-2026-56981

Name of the Vulnerable Software and Affected Versions Junos OS EX4100 Series versions prior to 23.2R2-S7 Junos OS EX4400 Series versions prior to 23.2R2-S7 Junos OS EX4100 Series versions 23.4 through 23.4R2-S7 Junos OS EX4400 Series versions 23.4 through 23.4R2-S7 Junos OS EX4100 Series versions...

PT-2026-56982

Name of the Vulnerable Software and Affected Versions Junos OS Evolved versions prior to 23.2R2-EVO Description An improper restriction of communication channel to intended endpoints allows an unauthenticated, network-based attacker to cause license exhaustion. Due to incorrect initialization, a...

PT-2026-56978

Name of the Vulnerable Software and Affected Versions Junos OS on MX with SPC3 and SRX Series versions prior to 23.2R2-S7 Junos OS on MX with SPC3 and SRX Series versions 23.4 through 23.4R2-S5 Junos OS on MX with SPC3 and SRX Series versions 24.2 through 24.2R2-S2 Junos OS on MX with SPC3 and SR...

PT-2026-56984

Name of the Vulnerable Software and Affected Versions Junos OS on SRX Series versions 24.2 through 24.2R2-S3 Junos OS on SRX Series versions 24.4 through 24.4R2-S2 Junos OS on SRX Series versions 25.2 through 25.2R2 Description A race condition exists in the packet forwarding engine PFE during...

CVE-2026-57022: 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 with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an affected device initiates a TCP...

PT-2026-56975

Name of the Vulnerable Software and Affected Versions Junos OS on SRX Series versions prior to 23.2R2-S7 Junos OS on SRX Series versions prior to 23.4R2-S8 Junos OS on SRX Series versions prior to 24.2R2-S4 Junos OS on SRX Series versions prior to 24.4R2-S4 Junos OS on SRX Series versions prior t...

CVE-2026-57019: Improper Validation of Specified Quantity in Input

An Improper Validation of Specified Quantity in Input 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. When a specific packet is received from device in the same broadcast...

CVE-2026-57020: 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 QFX10000 Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service DoS. On all QFX10000 platforms in an EVPN-VxLAN scenario, if an...

CVE-2026-57026: Improper Validation of Syntactic Correctness of Input

An Improper Validation of Syntactic Correctness of Input vulnerability in the SIP plugin of Juniper Networks Junos OS on MX Series with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS.If the SIP ALG is enabled on an affected device, the...

CVE-2026-57021: Out-of-bounds Write

An Out-of-bounds Write vulnerability in the http-gatekeeper http-gk of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. If an SRX Series device is configured for remote-access VPN with pre-logon compliance check, a...

CVE-2026-33800: Unchecked Input for Loop Condition

An Unchecked Input for Loop Condition 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.Micro-BFD session flaps generate respective up/down events which are queued by PFEMAN for...

CVE-2026-33802: Missing Authorization

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on EX Series allows a local, authenticated attacker to cause a Denial-of-Service DoS. On EX2300, EX4000, EX4100, EX4300-MP Multigigabit and EX4400 switches, an authenticated, local attacker with no specific permissions ...

PT-2026-56980

Name of the Vulnerable Software and Affected Versions Junos OS on MX Series with SPC3 and SRX Series versions prior to 23.2R2-S7 Junos OS on MX Series with SPC3 and SRX Series versions 23.4 prior to 23.4R2-S8 Junos OS on MX Series with SPC3 and SRX Series versions 24.2 prior to 24.2R2-S5 Junos OS...