{"id":"CVE-2020-24337","details":"An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. When an unsupported TCP option with zero length is provided in an incoming TCP packet, it is possible to cause a Denial-of-Service by achieving an infinite loop in the code that parses TCP options, aka tcp_parse_options() in pico_tcp.c.","modified":"2026-07-08T19:02:32.269400Z","published":"2020-12-11T23:15:13.917Z","references":[{"type":"ADVISORY","url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01"},{"type":"ADVISORY","url":"https://www.kb.cert.org/vuls/id/815128"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tass-belgium/picotcp","events":[{"introduced":"0"},{"last_affected":"13c00a067190f5ec62340ed932a2bb833c366d63"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"1.7.0"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:altran:picotcp:*:*:*:*:*:*:*:*"}}],"versions":["v1.7.0","v1.6.2","v1.6.1","v1.6.0","v1.5.1","v1.5.0","v1.3.0","V1.2.4","v1.2.2","v1.2.1","v1.2","sprint8","sprint7","V1.0","sprint6","sprint5","sprint4","sprint3","sprint2","sprint1","sprint0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-24337.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/virtualsquare/picotcp","events":[{"introduced":"0"},{"last_affected":"13c00a067190f5ec62340ed932a2bb833c366d63"}],"database_specific":{"cpe":"cpe:2.3:a:altran:picotcp-ng:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.7.0"}],"source":"CPE_RANGE"}}],"versions":["v1.7.0","v1.6.2","v1.6.1","v1.6.0","v1.5.1","v1.5.0","v1.3.0","V1.2.4","v1.2.2","v1.2.1","v1.2","sprint8","sprint7","V1.0","sprint6","sprint5","sprint4","sprint3","sprint2","sprint1","sprint0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-24337.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"}]}