CVE-2023-31490: Debian Linux

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only; version 12.0 only
• Fedoraproject Fedora: version 37 only; version 38 only; version 39 only
• Frrouting Frrouting: version 8.4.2 only

Published 2023-05-09. Last modified 2026-06-17.