{"id":"CVE-2023-35846","details":"VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not check the transport layer length in a frame before performing port filtering.","modified":"2026-08-12T14:50:46.307105Z","published":"2023-06-19T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/35xxx/CVE-2023-35846.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/35xxx/CVE-2023-35846.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-35846"},{"type":"FIX","url":"https://github.com/virtualsquare/picotcp/commit/d561990a358899178115e156871cc054a1c55ffe"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/virtualsquare/picotcp","events":[{"introduced":"0"},{"fixed":"d561990a358899178115e156871cc054a1c55ffe"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2.1"}],"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:virtualsquare:picotcp:*:*:*:*:*:*:*:*"}}],"versions":["v2.1","2.0.0","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-2023-35846.json","vanir_signatures_modified":"2026-08-12T14:50:46Z","vanir_signatures":[{"digest":{"function_hash":"15604502874702612504111479175039028916","length":803},"id":"CVE-2023-35846-380a6e0e","signature_type":"Function","signature_version":"v1","source":"https://github.com/virtualsquare/picotcp/commit/d561990a358899178115e156871cc054a1c55ffe","target":{"file":"modules/pico_ipfilter.c","function":"ipfilter"},"deprecated":false},{"source":"https://github.com/virtualsquare/picotcp/commit/d561990a358899178115e156871cc054a1c55ffe","target":{"file":"modules/pico_ipfilter.c"},"deprecated":false,"digest":{"line_hashes":["232285406632546315363789241261533024495","248071416619885531072362073670366830268","256617179242313006427055983467964023110","213842307385690783473638154939023626648","285770788318624447220688066452460489083","163110542380558240445229369479204111","276597177956886508362739783233940125898","203136066528707677838631440993583226305","69438710099917194790702831334998226616","263416057362065578551281656644685860219","18438235547931478203702648496708742847","214312749964043464020660052127994588030","93646454849211744810170274829586574755","224104974157288606537487666352805840938"],"threshold":0.9},"id":"CVE-2023-35846-cd68b641","signature_type":"Line","signature_version":"v1"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}