{"id":"CVE-2024-31951","details":"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).","modified":"2026-09-04T11:45:11.526032330Z","published":"2024-04-07T00:00:00Z","related":["SUSE-SU-2024:1971-1","SUSE-SU-2024:4090-1","openSUSE-SU-2024:14038-1"],"database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31951.json"},"references":[{"type":"WEB","url":"https://github.com/FRRouting/frr/pull/15674/"},{"type":"WEB","url":"https://github.com/FRRouting/frr/pull/15674/commits/344fb4be2bc27316c74b17003c05ea40be395836"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31951.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-31951"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/frrouting/frr","events":[{"introduced":"0"},{"fixed":"c158ca492ea1f51c80423a8b932a378baad729e9"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"9.1"},{"last_affected":"9.1"}],"source":["DESCRIPTION","CPE_RANGE"],"cpe":"cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*"}}],"versions":["base_9.0","base_8.5","frr-9.0-dev","frr-8.4-rc","base_8.4","frr-8.5-dev","base_8.3","frr-8.4-dev","base_8.2","frr-8.3-dev","frr-8.1-rc1","base_8.1","frr-8.2-dev","8.1-dev","frr-8.1-dev","base_8.0","base_7.6","frr-8.0-dev","frr-7.6-dev","base_7.5","base_7.4","frr-7.5-dev","base_7.3","frr-7.4-dev","base_7.2","frr-7.3-dev","frr-7.2-dev","7.1_pulled","frr-7.1-dev","frr-6.1-dev","frr-5.1-dev","reindent-master-after","reindent-master-before","frr-3.1-dev","frr-3.0-branchpoint"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-31951.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}