{"id":"CVE-2016-6355","aliases":["EUVD-2016-7278","GHSA-xqv4-m752-6vpr"],"status":"published","title":"Memory leak in Cisco IOS XR 5.1.x through 5.1.3, 5.2.x through 5.2.5, and 5.3.x through 5.3.2 on...","description":"Memory leak in Cisco IOS XR 5.1.x through 5.1.3, 5.2.x through 5.2.5, and 5.3.x through 5.3.2 on ASR 9001 devices allows remote attackers to cause a denial of service (control-plane protocol outage) via crafted fragmented packets, aka Bug ID CSCux26791.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02868,"percentile":0.86874,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2016-08-23T01:00:00Z","modified":"2026-06-17T00:50:53Z","products":[{"vendor":"cisco","product":"ios_xr"}],"references":[{"url":"http://www.securitytracker.com/id/1036585","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160810-iosxr","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/92399","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6355"},{"url":"https://github.com/advisories/GHSA-xqv4-m752-6vpr"}],"sources":{"cve":[{"id":"CVE-2016-6355","description":"Memory leak in Cisco IOS XR 5.1.x through 5.1.3, 5.2.x through 5.2.5, and 5.3.x through 5.3.2 on ASR 9001 devices allows remote attackers to cause a denial of service (control-plane protocol outage) via crafted fragmented packets, aka Bug ID CSCux26791.","status":"published","published":"2016-08-23T01:00:00Z","modified":"2024-08-06T01:29:19.388Z","updated_at":"2026-11-02T14:33:34.094161Z"}],"euvd":[{"id":"EUVD-2016-7278","description":"Memory leak in Cisco IOS XR 5.1.x through 5.1.3, 5.2.x through 5.2.5, and 5.3.x through 5.3.2 on ASR 9001 devices allows remote attackers to cause a denial of service (control-plane protocol outage) via crafted fragmented packets, aka Bug ID CSCux26791.","status":"published","published":"2016-08-23T01:00:00Z","modified":"2024-08-06T01:29:19Z","updated_at":"2026-11-03T02:22:39.91691Z"}],"ghsa":[{"id":"GHSA-xqv4-m752-6vpr","title":"Memory leak in Cisco IOS XR 5.1.x through 5.1.3, 5.2.x through 5.2.5, and 5.3.x through 5.3.2 on...","description":"Memory leak in Cisco IOS XR 5.1.x through 5.1.3, 5.2.x through 5.2.5, and 5.3.x through 5.3.2 on ASR 9001 devices allows remote attackers to cause a denial of service (control-plane protocol outage) via crafted fragmented packets, aka Bug ID CSCux26791.","status":"published","published":"2022-05-17T03:39:31Z","modified":"2023-01-27T05:07:58Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:43:13.39976Z"}],"nvd":[{"id":"CVE-2016-6355","description":"Memory leak in Cisco IOS XR 5.1.x through 5.1.3, 5.2.x through 5.2.5, and 5.3.x through 5.3.2 on ASR 9001 devices allows remote attackers to cause a denial of service (control-plane protocol outage) via crafted fragmented packets, aka Bug ID CSCux26791.","status":"published","published":"2016-08-23T02:11:03.007Z","modified":"2026-06-17T00:50:53.013Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:03:28.854267Z"}]}}