PT-2026-31750

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a memory leak ultimately leading to a Denial of Service DoS. In an EVPN-MPLS...

CVE-2026-33780: Missing Release of Memory after Effective Lifetime

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a memory leak ultimately leading to a Denial of Service DoS. In an EVPN-MPLS...

CVE-2026-33774: 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 bypass the configured firewall filter and access the control-plane of the device. On MX platform...

CVE-2026-33788: Missing Authentication for Critical Function

A Missing Authentication for Critical Function vulnerability in the Flexible PIC Concentrators FPCs of Juniper Networks Junos OS Evolved on PTX Series allows a local, authenticated attacker with low privileges to gain direct access to FPCs installed in the device. A local user with low privileges...

PT-2026-31751

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions prior to 22.4R3-S1 Junos OS versions 23.2 prior to 23.2R2 Junos OS versions 23.4 prior to 23.4R2 Description A memory leak in the DHCP daemon jdhcpd of Juniper Networks Junos OS on MX Series can be triggered ...

Juniper Networks Junos OS 安全漏洞

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 22.4R3-S9, 23.2R2-S6...

PT-2026-31800

An Improper Validation of Syntactic Correctness of Input vulnerability in the IPsec library used by kmd and iked of Juniper Networks Junos OS on SRX Series and MX Series allows an unauthenticated, network-based attacker to cause a complete Denial-of-Service DoS. If an affected device receives a...

CVE-2026-21916: UNIX Symbolic Link (Symlink) Following

A UNIX Symbolic Link Symlink Following vulnerability in the CLI of Juniper Networks Junos OS allows a local, authenticated attacker with low privileges to escalate their privileges to root which will lead to a complete compromise of the system. When after a user has performed a specific 'file lin...

CVE-2025-59969: Buffer Copy without Checking Size of Input

A Buffer Copy without Checking Size of Input 'Classic Buffer Overflow' vulnerability in the advanced forwarding toolkit evo-aftmand/evo-pfemand of Juniper Networks Junos OS Evolved on PTX Series or QFX5000 Series allows an unauthenticated, adjacent attacker to cause a Denial of Service DoS.An...

Juniper Networks Junos Space 跨站脚本漏洞

Juniper Networks Junos Space is a network management solution provided by the company Juniper Networks. This solution supports automatic configuration, monitoring, and troubleshooting of devices and services throughout their entire lifecycle. Versions of Juniper Networks Junos Space prior to 24.1...

CVE-2026-21904: Improper Neutralization of Input During Web Page Generation

An Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Juniper Networks Junos Space allows an attacker to inject script tags in the list filter field that, when visited by another user, enables the attacker to execute commands with the target's...

CVE-2026-33783: Function Call With Incorrect Argument Type

A Function Call With Incorrect Argument Type vulnerability in the sensor interface of Juniper Networks Junos OS Evolved on PTX Series allows a network-based, authenticated attacker with low privileges to cause a complete Denial of Service DoS. If colored SRTE policy tunnels are provisioned via...

PT-2026-31753

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS Evolved on PTX Series versions prior to 21.2R3-S8-EVO, versions 21.4-EVO prior to 21.4R3-S7-EVO, versions 22.2-EVO prior to 22.2R3-S4-EVO, versions 22.3-EVO prior to 22.3R3-S3-EVO, versions 22.4-EVO prior to...

PT-2026-31752

An Improper Check for Unusual or Exceptional Conditions vulnerability in the chassis control daemon chassisd of Juniper Networks Junos OS on SRX1600, SRX2300 and SRX4300 allows a local attacker with low privileges to cause a complete Denial of Service DoS. When a specific 'show chassis' CLI comma...

PT-2026-31802

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS Evolved on PTX Series versions prior to 22.4R3-S9-EVO Juniper Networks Junos OS Evolved on PTX Series versions prior to 23.2R2-S6-EVO Juniper Networks Junos OS Evolved on PTX Series versions prior to 23.4R2-S7-EVO...

CVE-2026-33776: Missing Authorization

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information. A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive...

CVE-2026-33791: Improper Neutralization of Special Elements used in an OS Command

An OS Command Injection vulnerability in the CLI processing of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker executing specific, crafted CLI commands to inject arbitrary shell commands as root, leading to a complete compromise of the system. Certain 'set...

CVE-2026-33773: Incorrect Initialization of Resource

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-2026-33793: Execution with Unnecessary Privileges

An Execution with Unnecessary Privileges vulnerability in the User Interface UI of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker to gain root privileges, thus compromising the system. When a configuration that allows unsigned Python op scripts is present o...

CVE-2026-21919: Incorrect Synchronization

An Incorrect Synchronization vulnerability in the management daemon mgd of Juniper Networks Junos OS and Junos OS Evolved allows a network-based attacker with low privileges to cause a complete Denial-of-Service DoS of the management plane. When NETCONF sessions are quickly established and...