{"cve":"CVE-2009-1154","nvd":{"published":"2009-08-21T17:30:00.203","modified":"2026-06-16T23:06:37.333","status":"Modified","description":"Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service (process crash) via a long BGP UPDATE message, as demonstrated by a message with many AS numbers in the AS Path Attribute.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://securitytracker.com/id?1022756","http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml","http://securitytracker.com/id?1022756","http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml"],"products":["cisco:ios_xr"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-1154","score":0.01336,"percentile":0.71221,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}