CVE-2026-57031 Junos OS: MX Series: For subscribers configured on static interfaces, input filters are not in effect

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-2026-57030 Junos OS: SRX Series: Flow sessions are not getting cleared leading to a DoS

A Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' 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. As part of the stateful...

CVE-2026-57030

A Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' 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. As part of the stateful...

CVE-2026-57027

CVE-2026-57027 affects Juniper Networks Junos OS on EX4100 and EX4400 in sFlow VC deployments. When multicast traffic is exchanged between VC members, a memory leak in the packet forwarding engine (pfe) can cause an FPC crash and restart, leading to DoS for unauthenticated adjacent attackers. Aff...

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 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

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-2026-57021

The CVE-2026-57021 entry describes an Out-of-bounds Write vulnerability in the http-gatekeeper (http-gk) component of Juniper Networks Junos OS on SRX Series. A network-based, unauthenticated attacker can trigger the flaw by sending specially formatted requests when remote-access VPN with pre-log...

CVE-2026-57021 Junos OS: SRX Series: If VPN compliance-check is configured an attacker can cause http-gk process crash

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-2026-57020 Junos OS: QFX10000 Series: IPv6 multicast traffic received on non-IRB interfaces causes a multicast flood

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-2026-57019

CVE-2026-57019 affects Junos OS on MX Series. An issue in the Packet Forwarding Engine (pfe) due to improper validation of a specified quantity in input can allow an unauthenticated adjacent attacker to cause a Denial-of-Service by triggering an FPC major error and a reset, impacting traffic unti...

CVE-2026-33802

Summary: CVE-2026-33802 is a Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on EX Series switches (EX2300, EX4000, EX4100, EX4300-MP, EX4400) that allows a locally authenticated attacker with no specific permissions to execute a privileged CLI command and trigger a Do...

CVE-2026-33802

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 ...

EUVD-2026-42702

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-2026-33801

CVE-2026-33801 affects Juniper Networks Junos OS and Junos OS Evolved. An adjacent, unauthenticated attacker can trigger a Denial-of-Service by sending a specifically malformed non-inet/inet6 unicast BGP update over an established BGP session, causing the Routing Protocol Daemon (RPD) to crash an...

CVE-2026-33801

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-2026-33800 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-2026-33799

CVE-2026-33799 describes an Out-of-bounds Write in the SNMP daemon (snmpd) of Juniper Networks Junos OS and Junos OS Evolved. An authenticated remote attacker can send specific valid SNMPv3 queries to trigger a memory leak, causing snmpd memory exhaustion over time, a resulting process crash, and...

EUVD-2026-42700

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-2026-33799 Junos OS and Junos OS Evolved: Receipt of a specific SNMPv3 request results in memory leak and eventual snmpd crash

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...