{"id":"UBUNTU-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":"2026-02-04T02:31:40.874109Z","published":"2024-04-07T21:15:00Z","related":["USN-6794-1"],"upstream":["CVE-2024-31951"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-31951"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-31951"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6794-1"}],"affected":[{"package":{"name":"frr","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/frr@8.1-1ubuntu1.10?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1-1ubuntu1.10"}]}],"versions":["7.5.1-1.1","8.1-1","8.1-1ubuntu1","8.1-1ubuntu1.1","8.1-1ubuntu1.2","8.1-1ubuntu1.3","8.1-1ubuntu1.4","8.1-1ubuntu1.5","8.1-1ubuntu1.6","8.1-1ubuntu1.7","8.1-1ubuntu1.8","8.1-1ubuntu1.9"],"ecosystem_specific":{"binaries":[{"binary_version":"8.1-1ubuntu1.10","binary_name":"frr"},{"binary_name":"frr-pythontools","binary_version":"8.1-1ubuntu1.10"},{"binary_name":"frr-rpki-rtrlib","binary_version":"8.1-1ubuntu1.10"},{"binary_name":"frr-snmp","binary_version":"8.1-1ubuntu1.10"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-31951.json"}},{"package":{"name":"frr","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/frr@8.4.4-1.1ubuntu6.1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.4.4-1.1ubuntu6.1"}]}],"versions":["8.4.4-1.1ubuntu1","8.4.4-1.1ubuntu3","8.4.4-1.1ubuntu4","8.4.4-1.1ubuntu5","8.4.4-1.1ubuntu6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"frr","binary_version":"8.4.4-1.1ubuntu6.1"},{"binary_name":"frr-pythontools","binary_version":"8.4.4-1.1ubuntu6.1"},{"binary_name":"frr-rpki-rtrlib","binary_version":"8.4.4-1.1ubuntu6.1"},{"binary_name":"frr-snmp","binary_version":"8.4.4-1.1ubuntu6.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-31951.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}