PT-2026-56976

Name of the Vulnerable Software and Affected Versions Junos OS on MX Series with SPC3 versions prior to 23.2R2-S4 Junos OS on SRX5k Series with SPC3 versions prior to 23.2R2-S4 Junos OS on SRX1600 Series versions prior to 23.2R2-S4 Junos OS on SRX2300 Series versions prior to 23.2R2-S4 Junos OS o...

CVE-2026-57032: Improper Handling of Undefined Parameters

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...

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...

PT-2026-56928

Name of the Vulnerable Software and Affected Versions Junos OS on MX Series versions prior to 23.2R2-S7 Junos OS on MX Series versions 23.4 through 23.4R2-S7 Junos OS on MX Series versions 24.2 through 24.2R2-S3 Junos OS on MX Series versions 24.4 through 24.4R2-S2 Junos OS on MX Series versions...

PT-2026-56986

Name of the Vulnerable Software and Affected Versions Junos OS on EX2300, EX3400, EX4000, EX4100 and EX4400 versions prior to 23.2R2-S7 Junos OS on EX2300, EX3400, EX4000, EX4100 and EX4400 versions 23.4 prior to 23.4R2-S8 Junos OS on EX2300, EX3400, EX4000, EX4100 and EX4400 versions 24.2 prior ...

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...

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...

Juniper Junos OS Vulnerability (JSA110092)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA110092 advisory. - 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...

Juniper Junos OS Vulnerability (JSA110079)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA110079 advisory. - 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 unauthenticate...

Juniper Junos OS Vulnerability (JSA110090)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA110090 advisory. - A Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS...

CVE-2026-7473: Incomplete Comparison with Missing Factors

On affected platforms running Arista EOS where a tunnel decapsulation configuration—such as VXLAN Virtual Extensible LAN, decap-groups, or a GRE Generic Routing Encapsulation tunnel interface—is present, the switch will incorrectly decapsulate and forward other unexpected tunneled packet with a...

Juniper Junos OS Vulnerability (JSA79188)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA79188 advisory. - A Missing Authentication for Critical Function vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on MX Series with SPC3, and SRX Series allows...

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...

EUVD-2026-21199

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX and QFX Series devices allow an unauthenticated, adjacent attacker to cause a complete Denial of Service DoS. On EX4k, and QFX5k platforms configur...

EUVD-2026-21085

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

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: 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-2026-33774: 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...

Juniper Networks Junos OS security vulnerabilities

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. There are security vulnerabilities in the Junos OS 23.4R2-S6 version and 24.2R2-S3 version...