SB2025071850 - Memory leak in Junos OS Evolved and Juniper Junos OS
Published: July 18, 2025
Security Bulletin ID
SB2025071850
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2025-52986)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to missing release of memory after effective lifetime error in the routing protocol daemon (rpd). A local user can cause an impact to the availability of the device.
When RIB sharding is enabled and a user executes 1 of several routing related 'show' commands, a certain amount of memory is leaked.
When all available memory has been consumed rpd will crash and restart.
Remediation
Install update from vendor's website.