SB2025041477 - Null pointer dereference in Juniper Junos OS



SB2025041477 - Null pointer dereference in Juniper Junos OS

Published: April 14, 2025

Security Bulletin ID SB2025041477
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Null pointer dereference (CVE-ID: CVE-2025-30645)

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

The vulnerability exists due to null pointer dereference error in the flow daemon (flowd). A remote non-authenticated attacker can be sent out of a Dual-Stack (DS) Lite tunnel to crash the flowd process, resulting in a Denial of Service (DoS).


Remediation

Install update from vendor's website.