SB2025101395 - Denial of service in Junos OS and Junos OS Evolved rpd
Published: October 13, 2025
Security Bulletin ID
SB2025101395
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Access of Uninitialized Pointer (CVE-ID: CVE-2025-59962)
CWE-ID: CWE-824 - Access of Uninitialized Pointer
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the routing protocol daemon (rpd) with BGP sharding configured. A remote attacker can triggering indirect next-hop updates, along with timing outside the attacker's control to perform a denial of service attack.
Remediation
Install update from vendor's website.