Which CVE IDs does CVE-2026-37457 cover?

CVE-2026-37457 covers the following CVE IDs: CVE-2026-37457. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-37457?

CVE-2026-37457 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-37457?

CVE-2026-37457 affects 3 products, including: 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.

CVE-2026-37457MediumCVSS 7.5

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.

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-37457 →

🎯 Affected products3

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

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 10.5.4-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-37457
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade