{"id":"CVE-2026-37457","details":"An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.","modified":"2026-07-08T14:44:25.611275351Z","published":"2026-05-01T00:00:00Z","related":["ALSA-2026:24340","ALSA-2026:24347","ALSA-2026:24370","ALSA-2026:24371","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","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-2026-37457.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-37457.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:24340"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:24347"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:24370"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:24371"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-37457"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/37xxx/CVE-2026-37457.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-37457"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2464548"},{"type":"FIX","url":"https://github.com/FRRouting/frr/commit/0e6882bc72c0278988a47b2f0f73b7a91099a25c"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/frrouting/frr","events":[{"introduced":"d5bec7b08149e9811013ba771ae6d557b396b380"},{"fixed":"0e6882bc72c0278988a47b2f0f73b7a91099a25c"}],"database_specific":{"cpe":"cpe:2.3:a:frrouting:frrouting:10.0:-:*:*:*:*:*:*","extracted_events":[{"introduced":"10.0-NA"},{"last_affected":"10.0-NA"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["10.0-NA","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-2026-37457.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}