CVE-2026-102052

A Stack-based Buffer Overflow vulnerability in the jdhcpd process of Juniper Networks Junos OS and Junos OS Evolved platforms allows an adjacent unauthenticated attacker to cause denial of service or execute arbitrary code with root privileges via a malformed DHCPv4 server response when the DHCPv...

CVE-2026-102057

A Stack-based Buffer Overflow vulnerability in the jdhcpd process of Juniper Networks Junos OS allows an unauthenticated adjacent attacker to cause a denial of service via a DHCP client response. The issue affects DHCP client operation and can interrupt related DHCP, relay, and...

EUVD-2026-101382

A Stack-based Buffer Overflow vulnerability in the jdhcpd process of Juniper Networks Junos OS allows an unauthenticated adjacent attacker to cause a denial of service via a DHCP client response. The issue affects DHCP client operation and can interrupt related DHCP, relay, and...

CVE-2026-102057

A Stack-based Buffer Overflow vulnerability exists in the jdhcpd process of Juniper Networks Junos OS . An unauthenticated adjacent attacker can trigger a denial of service (DoS) by sending a malicious DHCP client response. This vulnerability impacts DHCP client operations and can disrupt associa...

CVE-2026-102057 Junos OS: An attacker causes DHCP service disruption during DHCP client operation

A Stack-based Buffer Overflow vulnerability in the jdhcpd process of Juniper Networks Junos OS allows an unauthenticated adjacent attacker to cause a denial of service via a DHCP client response. The issue affects DHCP client operation and can interrupt related DHCP, relay, and...

CVE-2026-102052

A Stack-based Buffer Overflow vulnerability exists in the jdhcpd process of Juniper Networks Junos OS and Junos OS Evolved platforms. When the DHCPv4 local-client feature is enabled, an adjacent unauthenticated attacker can send a malformed DHCPv4 server response to trigger the overflow. This cou...

CVE-2026-102052 Junos OS and Junos OS Evolved: An attacker causes jdhcpd to crash when the DHCPv4 local-client feature is used

A Stack-based Buffer Overflow vulnerability in the jdhcpd process of Juniper Networks Junos OS and Junos OS Evolved platforms allows an adjacent unauthenticated attacker to cause denial of service or execute arbitrary code with root privileges via a malformed DHCPv4 server response when the DHCPv...

EUVD-2026-101376

A Stack-based Buffer Overflow vulnerability in the jdhcpd process of Juniper Networks Junos OS and Junos OS Evolved platforms allows an adjacent unauthenticated attacker to cause denial of service or execute arbitrary code with root privileges via a malformed DHCPv4 server response when the DHCPv...

PT-2026-113892

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS affected versions not specified Juniper Networks Junos OS Evolved affected versions not specified Description A stack-based buffer overflow occurs in the jdhcpd process when the DHCPv4 local-client feature is enabled...

CVE-2026-33782

A Missing Release of Memory after Effective Lifetime vulnerability in the DHCP daemon jdhcpd of Juniper Networks Junos OS on MX Series, allows an adjacent, unauthenticated attacker to cause a memory leak, that will eventually cause a complete Denial-of-Service DoS. In a DHCPv6 over PPPoE, or DHCP...

CVE-2026-33782 Junos OS: MX Series: In specific DHCPv6 scenarios jdhcpd memory increases continuously with subscriber logouts

A Missing Release of Memory after Effective Lifetime vulnerability in the DHCP daemon jdhcpd of Juniper Networks Junos OS on MX Series, allows an adjacent, unauthenticated attacker to cause a memory leak, that will eventually cause a complete Denial-of-Service DoS. In a DHCPv6 over PPPoE, or DHCP...

CVE-2026-33782

A Missing Release of Memory after Effective Lifetime vulnerability in the DHCP daemon jdhcpd of Juniper Networks Junos OS on MX Series, allows an adjacent, unauthenticated attacker to cause a memory leak, that will eventually cause a complete Denial-of-Service DoS. In a DHCPv6 over PPPoE, or DHCP...

CVE-2026-33782

CVE-2026-33782 affects Junos OS on MX Series running DHCP daemon (jdhcpd). In specific DHCPv6 scenarios (DHCPv6 over PPPoE or VLAN with Active lease query or Bulk lease query), every subscriber logout leaks memory, leading to memory exhaustion, jdhcpd crash, and a full service impact until recove...

Juniper Networks Junos OS MX security vulnerabilities

Juniper Networks Junos OS MX 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 were security vulnerabilities in versions of Junos OS MX prior to 22.4R3-S1, as wel...

CVE-2026-33782: Missing Release of Memory after Effective Lifetime

A Missing Release of Memory after Effective Lifetime vulnerability in the DHCP daemon jdhcpd of Juniper Networks Junos OS on MX Series, allows an adjacent, unauthenticated attacker to cause a memory leak, that will eventually cause a complete Denial-of-Service DoS. In a DHCPv6 over PPPoE, or DHCP...

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 ...

jdhcpd Full Control

The vulnerability of jdhcpd in Juniper Networks’ Junos OS and Junos OS Evolved operating systems is related to deficiencies in access control. Exploiting this vulnerability can allow a perpetrator to gain full control over the system...

jdhcpd DoS

The vulnerability of jdhcpd in Juniper Networks’ Junos OS and Junos OS Evolved operating systems is related to insufficient checking of exceptional states. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

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...

CVE-2025-59960

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...