CVE-2023-47235: Frrouting

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when a malformed BGP UPDATE message with an EOR is processed, because the presence of EOR does not lead to a treat-as-withdraw outcome.

Affected products

• Frrouting Frrouting: up to and including 9.0.1

Published 2023-11-03. Last modified 2026-06-17.