{"id":"CVE-2020-35139","details":"An issue was discovered in OFPBundleCtrlMsg in parser.py in Faucet SDN Ryu version 4.34, allows remote attackers to cause a denial of service (DoS) (infinite loop).","aliases":["GHSA-4987-5p3p-9r27","PYSEC-2026-1876"],"modified":"2026-07-08T20:30:30.591466Z","published":"2023-08-11T14:15:11.297Z","references":[{"type":"REPORT","url":"https://github.com/faucetsdn/ryu/issues/118"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/faucetsdn/ryu","events":[{"introduced":"c776e4cb68600b2ee0a4f38364f4a355502777f1"},{"last_affected":"c776e4cb68600b2ee0a4f38364f4a355502777f1"}],"database_specific":{"extracted_events":[{"introduced":"4.34"},{"last_affected":"4.34"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:faucet:ryu:4.34:*:*:*:*:*:*:*"}}],"versions":["4.34","v4.34"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35139.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}