SB20260415107 - Denial of service in Arista EOS OSPFv3 implementation
Published: April 15, 2026
Security Bulletin ID
SB20260415107
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) Resource exhaustion (CVE-ID: CVE-2025-8872)
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the OSPFv3 process when handling a specially crafted OSPFv3 packet. A remote user can send a specially crafted packet to cause a denial of service.
Exploitation requires OSPFv3 to be configured in the default or a non-default VRF and at least one neighbor to be present.
Remediation
Install update from vendor's website.