{"schemaVersion":3,"id":"USN-8376-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"frr vulnerabilities\n\nIt was discovered that FRR incorrectly handled certain OSPF Traffic\nEngineering and Segment Routing TLVs. An attacker could possibly use this\nissue to cause FRR to crash, resulting in a denial of service.\n(CVE-2026-28532)\n\nIt was discovered that FRR incorrectly handled certain BGP FlowSpec\ncomponents. An attacker could possibly use this issue to cause FRR to\ncrash, resulting in a denial of service. (CVE-2026-37457)\n\nIt was discovered that FRR did not properly validate certain MP_REACH_NLRI\nmessages. An authenticated user could possibly use this issue to cause FRR\nto crash, resulting in a denial of service. (CVE-2026-37458)\n\nIt was discovered that FRR incorrectly handled processing certain BGP\nUPDATE messages. An attacker could possibly use this issue to cause FRR to\ncrash, resulting in a denial of service. This issue only affected Ubuntu\n25.04 and Ubuntu 25.10. (CVE-2026-37459)","dates":{"published":"2026-06-03T13:15:15.000Z","modified":"2026-06-30T18:17:05.167Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"frr","name":"frr","label":"frr","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/frr","purlType":"deb","versions":[{"text":"< 8.1-1ubuntu1.16","noFixRecorded":false,"fixedIn":null},{"text":"< 8.4.4-1.1ubuntu6.7","noFixRecorded":false,"fixedIn":null},{"text":"< 10.4.1-3ubuntu1.4","noFixRecorded":false,"fixedIn":null},{"text":"< 10.5.1-1ubuntu4.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.1-1ubuntu1.16 | < 8.4.4-1.1ubuntu6.7 | < 10.4.1-3ubuntu1.4 | < 10.5.1-1ubuntu4.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8376-1","label":"ubuntu.com/security/notices/USN-8376-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-28532","label":"ubuntu.com/security/CVE-2026-28532","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-37457","label":"ubuntu.com/security/CVE-2026-37457","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-37458","label":"ubuntu.com/security/CVE-2026-37458","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-37459","label":"ubuntu.com/security/CVE-2026-37459","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2026-28532","CVE-2026-37457","CVE-2026-37458","CVE-2026-37459"]},"timeline":[{"kind":"published","date":"2026-06-03T13:15:15.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-30T18:17:05.167Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T11:52:51.548Z","stale":false,"partial":false}}