CVE-2023-31490

frr: missing length check in bgp_attr_psid_sub() can lead do DoS

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · March 24, 2023

Updated · November 21, 2025

Description

A flaw was found in frr that may allow a remote attacker to cause a denial of service via the bgp_attr_psid_sub function.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-20 · Improper Input Validation