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). CREATE(Triage):(User=admin) CVE-2024-31951 (https://nvd.nist.gov/vuln/detail/CVE-2024-31951)