Denial of Service Vulnerability in FRRouting by FRRouting Developer
CVE-2026-37460

7.5HIGH

Key Information:

Vendor

FRRouting

Status
FRRouting
Vendor
CVE Published:
3 June 2026

What is CVE-2026-37460?

A vulnerability exists in the rfapiRibBi2Ri() function within the FRRouting codebase, specifically in versions stable/10.0 to stable/10.6. The lack of proper input validation allows attackers to craft and send manipulated BGP UPDATE messages, potentially leading to a Denial of Service (DoS) situation. This flaw enables individuals to disrupt network operations by overloading the system, making it crucial for users to apply mitigations and updates to safeguard their network infrastructure.

References

https://github.com/FRRouting/frr/pull/21098%2C
https://github.com/FRRouting/frr
https://github.com/FRRouting/frr/commit/7676cad65114aa23a...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.