#VU116932 Buffer overflow in Juniper Junos OS - CVE-2025-52960

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Main Vulnerability Database Vulnerabilities #VU116932

#VU116932 Buffer overflow in Juniper Junos OS - CVE-2025-52960

Published: October 13, 2025


Vulnerability identifier: #VU116932
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-52960
CWE-ID: CWE-120
Exploitation vector: Remote access
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.

A Buffer Copy without Checking Size of Input vulnerability in the Session Initialization Protocol (SIP) ALG of Juniper Networks Junos OS on MX Series and SRX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).

When memory utilization is high, and specific SIP packets are received, flowd crashes.


Remediation

Install updates from vendor's website.

External links