CVE-2026-57025

A Return of Pointer Value Outside of Expected Range vulnerability in the fileio library of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privilged attacker to cause a Denial-of-Service DoS. On EX Series, QFX Series and MX Series a low-privileged attacker issuing a specific...

CVE-2026-57025 Junos OS and Junos OS Evolved: EX Series, QFX Series, MX Series: A specific 'show l2-learning/ethernet-switching' command causes l2ald crash

A Return of Pointer Value Outside of Expected Range vulnerability in the fileio library of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privilged attacker to cause a Denial-of-Service DoS. On EX Series, QFX Series and MX Series a low-privileged attacker issuing a specific...

CVE-2026-57025 Junos OS and Junos OS Evolved: EX Series, QFX Series, MX Series: A specific 'show l2-learning/ethernet-switching' command causes l2ald crash

A Return of Pointer Value Outside of Expected Range vulnerability in the fileio library of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privilged attacker to cause a Denial-of-Service DoS. On EX Series, QFX Series and MX Series a low-privileged attacker issuing a specific...

CVE-2026-57025

CVE-2026-57025 affects Juniper Junos OS and Junos OS Evolved. The vulnerability is a Return of Pointer Value Outside of Expected Range in the fileio library that enables a local, low-privileged attacker to trigger a Denial-of-Service. On EX Series, QFX Series and MX Series, issuing a specific 'sh...

CVE-2026-57024

The CVE-2026-57024 entry concerns Juniper Junos OS on MX-SPC3 and SRX Series devices, where the iked process can crash under a high volume of VPN negotiation failures. According to the connected documents, repeated VPN failures cause a peer index rollover, leading to new peers being assigned indi...

CVE-2026-57024 Junos OS: MX with SPC3, SRX Series: Repeated VPN negotiation failures will eventually cause iked to crash continuously

A Use of Multiple Resources with Duplicate Identifier vulnerability in the IKE daemon iked 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. On an MX with SPC3 and SRX devices configured for VPN service,...

CVE-2026-57024

A Use of Multiple Resources with Duplicate Identifier vulnerability in the IKE daemon iked 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. On an MX with SPC3 and SRX devices configured for VPN service,...

CVE-2026-57023

The CVE concerns Juniper Junos OS on MX Series with SPC3 and SRX Series where a TCP proxy plugin can crash the flowd daemon via a specifically malformed TCP header during a flow session (to support ALGs/Advanced Anti‑Malware/ICAP/UTM). This is caused by improper validation of a specified quantity...

CVE-2026-57023

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-2026-57023 Junos OS: MX with SPC3, SRX Series: A specifically malformed TCP packet causes a flowd crash

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-2026-57022

CVE-2026-57022 affects Junos OS on MX Series with SPC3, SRX Series (including vSRX). The vulnerability stems from an improper check for unusual or exceptional conditions in the Packet Forwarding Engine (PFE). A unauthenticated, network-based attacker can trigger a PFE crash by a TCP connection to...

CVE-2026-57022 Junos OS: MX Series with SPC3, SRX Series: Specific packet in response to a TCP connection establishment by the affected device can crash the PFE

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...

CVE-2026-57022

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...

CVE-2026-57019

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-2026-33800

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-2026-33800 Junos OS: MX Series: In a VC scenario a high rate of micro-BFD session flaps will cause an FPC crash

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-2026-33800

CVE-2026-33800 affects Junos OS on MX Series (MX FPCs up to MPC9). The issue is caused by an unchecked input for a loop condition in PFEMAN, where high-rate Micro-BFD session flaps queue events and a VC with locality-bias amplifies processing time, causing PFEMAN to miss processing and the PFEMAN...

PT-2026-56977

Name of the Vulnerable Software and Affected Versions Junos OS on MX Series with SPC3 and SRX Series versions 23.4 through 23.4R2-S7 Junos OS on MX Series with SPC3 and SRX Series versions 24.2 through 24.2R2-S4 Junos OS on MX Series with SPC3 and SRX Series versions 24.4 through 24.4R2-S3 Junos ...

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...

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...