CVE-2024-31951: Frrouting

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ext_link for OSPF LSA packets during an attempt to read Segment Routing Adjacency SID subTLVs (lengths are not validated).

Affected products

• Frrouting Frrouting: up to and including 9.1

Published 2024-04-07. Last modified 2026-06-17.