SB2025071847 - Improper resource shutdown or release in Juniper Junos OS
Published: July 18, 2025
Security Bulletin ID
SB2025071847
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2025-52982)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper resource shutdown or release error in the SIP ALG. A remote non-authenticated attacker can cause a Denial-of-Service (DoS).
When an MX Series device with an MS-MPC is configured with 2 or more service sets which are both processing SIP calls, a specific sequence of call events will lead to a crash and restart of the MS-MPC.
Remediation
Install update from vendor's website.