CyberICT

CVE-2026-37457

Microsoft · Published May 5, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.. An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.

Affected Products

  • cbl2 frr 8.5.5-5 on CBL Mariner 2.0
  • azl3 frr 10.5.0-2 on Azure Linux 3.0
  • azl3 frr 10.5.0-3 on Azure Linux 3.0
  • azl3 frr 10.5.4-1 on Azure Linux 3.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H