#VU102493 Missing Release of Resource after Effective Lifetime in Junos OS Evolved - CVE-2025-21599

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Main Vulnerability Database Vulnerabilities #VU102493

#VU102493 Missing Release of Resource after Effective Lifetime in Junos OS Evolved - CVE-2025-21599

Published: January 9, 2025


Vulnerability identifier: #VU102493
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/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-2025-21599
CWE-ID: CWE-772
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Junos OS Evolved
Software vendor:
Juniper Networks, Inc.

Description

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

The vulnerability exists due to the Juniper Tunnel Driver (jtd) does not properly release memory when handling IPv6 packets. A remote attacker can send malformed IPv6 packets destined to the device and kernel memory to not be freed, resulting in a denial of service condition.


Remediation

Install updates from vendor's website.

External links