{"id":"CVE-2009-1154","aliases":["EUVD-2009-1154","GHSA-6qm4-24f4-g249"],"status":"published","title":"Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service (process...","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.","severity":{"version":"2.0","score":3.3,"vector":"AV:N/AC:L/Au:M/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01336,"percentile":0.71425,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2009-08-21T17:00:00Z","modified":"2026-06-16T23:06:37Z","products":[{"vendor":"cisco","product":"ios_xr"}],"references":[{"url":"http://securitytracker.com/id?1022756","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1154"},{"url":"https://github.com/advisories/GHSA-6qm4-24f4-g249"}],"sources":{"cve":[{"id":"CVE-2009-1154","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.","status":"published","published":"2009-08-21T17:00:00Z","modified":"2024-09-16T22:45:31.228Z","updated_at":"2026-11-02T14:33:25.126493Z"}],"euvd":[{"id":"EUVD-2009-1154","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.","status":"published","published":"2009-08-21T17:00:00Z","modified":"2024-09-16T22:45:31Z","updated_at":"2026-11-03T00:55:00.150098Z"}],"ghsa":[{"id":"GHSA-6qm4-24f4-g249","title":"Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service (process...","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.","status":"published","published":"2022-05-02T03:22:12Z","modified":"2023-01-31T05:07:01Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:49:08.279119Z"}],"nvd":[{"id":"CVE-2009-1154","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.","status":"published","published":"2009-08-21T17:30:00.203Z","modified":"2026-06-16T23:06:37.333Z","cvss":[{"version":"2.0","score":3.3,"vector":"AV:N/AC:L/Au:M/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:36.596719Z"}]}}