#VU125521 Memory leak in Juniper Junos OS - CVE-2026-33782

 

#VU125521 Memory leak in Juniper Junos OS - CVE-2026-33782

Published: April 8, 2026


Vulnerability identifier: #VU125521
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-33782
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to missing release of memory after effective lifetime error in the DHCP daemon (jdhcpd). A remote non-authenticated attacker can cause a memory leak, that will eventually cause a complete Denial-of-Service (DoS).


Remediation

Install updates from vendor's website.

External links