Frrouting · Frrouting · CVE-2026-37459
**Name of the Vulnerable Software and Affected Versions**
FRRouting (FRR) versions 10.0 through 10.6
**Description**
An integer underflow occurs when a program calculates a value that is smaller than the minimum value the variable can hold, often wrapping around to a very large number. This issue allows attackers to cause a Denial of Service (DoS) by sending a specially crafted BGP UPDATE message.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.