CVE-2026-21903 Junos OS: Subscribing to telemetry sensors at scale causes all FPCs to crash

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

CVE-2026-21903

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

CVE-2026-21903 Junos OS: Subscribing to telemetry sensors at scale causes all FPCs to crash

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

CVE-2026-0203

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS allows an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP packet to cause an FPC to crash and restart, resulting in a Denial of Service DoS. When an ICMP...

CVE-2026-0203 Junos OS: Receipt of a specifically malformed ICMP packet causes an FPC restart

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS allows an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP packet to cause an FPC to crash and restart, resulting in a Denial of Service DoS. When an ICMP...

CVE-2026-0203 Junos OS: Receipt of a specifically malformed ICMP packet causes an FPC restart

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS allows an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP packet to cause an FPC to crash and restart, resulting in a Denial of Service DoS. When an ICMP...

EUVD-2026-2681

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS allows an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP packet to cause an FPC to crash and restart, resulting in a Denial of Service DoS. When an ICMP...

CVE-2025-60011

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 unauthenticated, network-based attacker to cause an availability impact for downstream devices. When an affected device receives a...

CVE-2025-60007 Junos OS: A specifically crafted 'show chassis' command causes chassisd to crash

A NULL Pointer Dereference vulnerability in the chassis daemon chassisd of Juniper Networks Junos OS on MX, SRX and EX Series allows a local attacker with low privileges to cause a Denial-of-Service DoS. When a user executes the 'show chassis' command with specifically crafted options, chassisd...

CVE-2025-60007

A NULL Pointer Dereference vulnerability in the chassis daemon chassisd of Juniper Networks Junos OS on MX, SRX and EX Series allows a local attacker with low privileges to cause a Denial-of-Service DoS. When a user executes the 'show chassis' command with specifically crafted options, chassisd...

CVE-2025-60003 Junos OS and Junos OS Evolved: BGP update with a set of specific attributes causes rpd crash

A Buffer Over-read vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an affected device receives a BGP update with a set of specific optional transitive...

CVE-2025-60003

A Buffer Over-read vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an affected device receives a BGP update with a set of specific optional transitive...

CVE-2025-60003 Junos OS and Junos OS Evolved: BGP update with a set of specific attributes causes rpd crash

A Buffer Over-read vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an affected device receives a BGP update with a set of specific optional transitive...

CVE-2025-59961 Junos OS and Junos OS Evolved: Unix socket used to control the jdhcpd process is world-writable

An Incorrect Permission Assignment for Critical Resource vulnerability in the Juniper DHCP daemon jdhcpd of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged user to write to the Unix socket used to manage the jdhcpd process, resulting in complete control over the...

CVE-2025-59961

An Incorrect Permission Assignment for Critical Resource vulnerability in the Juniper DHCP daemon jdhcpd of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged user to write to the Unix socket used to manage the jdhcpd process, resulting in complete control over the...

EUVD-2026-2702

An Incorrect Permission Assignment for Critical Resource vulnerability in the Juniper DHCP daemon jdhcpd of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged user to write to the Unix socket used to manage the jdhcpd process, resulting in complete control over the...

CVE-2025-59960 Junos OS and Junos OS Evolved: DHCP Option 82 messages from clients being passed unmodified to the DHCP server

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Juniper DHCP service jdhcpd of Juniper Networks Junos OS and Junos OS Evolved allows a DHCP client in one subnet to exhaust the address pools of other subnets, leading to a Denial of Service DoS on the downstream DHCP...

CVE-2025-59960

CVE-2025-59960 affects Juniper Networks Junos OS and Junos OS Evolved. The vulnerability arises in the DHCP service (jdhcpd) where the default DHCP relay behavior allows Option 82 information from a client in one subnet to reach the DHCP server unmodified, enabling a DHCP client to exhaust addres...

CVE-2025-59959 Junos OS and Junos OS Evolved: Executing a specific show command leads to an rpd crash

An Untrusted Pointer Dereference vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows a local, authenticated attacker with low privileges to cause a Denial-of-Service DoS. When the command 'show route detail' is executed, and at least one of th...

CVE-2025-59959

CVE-2025-59959 describes an Untrusted Pointer Dereference in Juniper Networks Junos OS and Junos OS Evolved routing protocol daemon (rpd). A local, authenticated attacker with low privileges can trigger a crash/restart of rpd by running the command: show route detail when at least one output rou...