{"id":"CVE-2013-5503","aliases":["EUVD-2013-5343","GHSA-rcf2-qf65-j8cp"],"status":"published","title":"The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet...","description":"The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to listening ports, aka Bug ID CSCue69413.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01328,"percentile":0.71223,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2013-10-02T22:00:00Z","modified":"2026-06-16T23:58:55Z","products":[{"vendor":"cisco","product":"ios_xr"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131002-iosxr","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-5503"},{"url":"https://github.com/advisories/GHSA-rcf2-qf65-j8cp"}],"sources":{"cve":[{"id":"CVE-2013-5503","description":"The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to listening ports, aka Bug ID CSCue69413.","status":"published","published":"2013-10-02T22:00:00Z","modified":"2024-09-17T02:26:51.106Z","updated_at":"2026-11-02T14:34:55.098814Z"}],"euvd":[{"id":"EUVD-2013-5343","description":"The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to listening ports, aka Bug ID CSCue69413.","status":"published","published":"2013-10-02T22:00:00Z","modified":"2024-09-17T02:26:51Z","updated_at":"2026-11-03T00:28:40.410394Z"}],"ghsa":[{"id":"GHSA-rcf2-qf65-j8cp","title":"The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet...","description":"The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to listening ports, aka Bug ID CSCue69413.","status":"published","published":"2022-05-17T05:03:34Z","modified":"2023-01-28T05:03:18Z","updated_at":"2026-11-02T14:43:57.015581Z"}],"nvd":[{"id":"CVE-2013-5503","description":"The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to listening ports, aka Bug ID CSCue69413.","status":"published","published":"2013-10-02T22:55:23.633Z","modified":"2026-06-16T23:58:55.47Z","cvss":[{"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":"2026-11-02T14:02:38.715467Z"}]}}