{"id":"CVE-2026-37458","details":"Missing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE message.","modified":"2026-09-10T18:26:53.138648319Z","published":"2026-05-04T00:00:00Z","related":["SUSE-SU-2026:22026-1","SUSE-SU-2026:2454-1","SUSE-SU-2026:2455-1","SUSE-SU-2026:2457-1","SUSE-SU-2026:2644-1","SUSE-SU-2026:3868-1","openSUSE-SU-2026:10721-1","openSUSE-SU-2026:20898-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/37xxx/CVE-2026-37458.json","cna_assigner":"mitre"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/37xxx/CVE-2026-37458.json"},{"type":"ADVISORY","url":"https://github.com/mertsatilmaz/vulnerability-research/blob/main/advisories/CVE-2026-36365.md"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-37458"},{"type":"FIX","url":"https://github.com/FRRouting/frr/commit/8102a8aeceb9f86fdfe1f80cd77080522bab69c8"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/frrouting/frr","events":[{"introduced":"d5bec7b08149e9811013ba771ae6d557b396b380"},{"fixed":"8102a8aeceb9f86fdfe1f80cd77080522bab69c8"}],"database_specific":{"cpe":"cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"10.0"},{"last_affected":"10.6.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["base_10.6","frr-10.7.0-dev","base_10.5","frr-10.6.0-dev","frr-10.5-dev","base_10.4","base_10.3","frr-10.4-dev","frr-10.3-dev","base_10.2","frr-10.2-dev","base_10.1","frr-10.0-dev"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-37458.json","vanir_signatures_modified":"2026-09-04T08:05:23Z","vanir_signatures":[{"source":"https://github.com/frrouting/frr/commit/8102a8aeceb9f86fdfe1f80cd77080522bab69c8","target":{"file":"bgpd/bgp_attr.c","function":"bgp_mp_reach_parse"},"deprecated":false,"digest":{"function_hash":"168631303741082090576389693271968986211","length":5768},"id":"CVE-2026-37458-dfa6f203","signature_type":"Function","signature_version":"v1"},{"digest":{"threshold":0.9,"line_hashes":["40734328636934815047096795198079622677","162827212702728829488758647699129717797","203087243239154061508345748634141124641","57678395295957339314315898258760419685"]},"id":"CVE-2026-37458-fdac10ce","signature_type":"Line","signature_version":"v1","source":"https://github.com/frrouting/frr/commit/8102a8aeceb9f86fdfe1f80cd77080522bab69c8","target":{"file":"bgpd/bgp_attr.c"},"deprecated":false}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}