Heap-based Buffer Overflow Affecting frrouting/frr package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.39% (31st percentile)

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  • Snyk IDSNYK-UNMANAGED-FRROUTINGFRR-16352449
  • published3 May 2026
  • disclosed1 May 2026
  • creditUnknown

Introduced: 1 May 2026

CVE-2026-37457  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Heap-based Buffer Overflow through the bgp_flowspec_op_decode function. An attacker can cause a system crash or disrupt service by supplying a specially crafted FlowSpec component.

References

CVSS Base Scores

version 4.0
version 3.1