{"id":"CVE-2023-35849","aliases":["EUVD-2023-39842","GHSA-hjwh-ffhj-2hxf"],"status":"published","title":"VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not properly check whether header sizes...","description":"VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not properly check whether header sizes would result in accessing data outside of a packet.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00638,"percentile":0.51019,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-754"],"published":"2023-06-19T00:00:00Z","modified":"2026-10-28T10:33:06Z","products":[{"vendor":"virtualsquare","product":"picotcp"}],"references":[{"url":"https://github.com/virtualsquare/picotcp/commit/4b9a16764f2b12b611de9c34a50b4713d10ca401","tags":["x_transferred","Vendor Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-35849","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hjwh-ffhj-2hxf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/35xxx/CVE-2023-35849.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-35849","description":"VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not properly check whether header sizes would result in accessing data outside of a packet.","status":"published","published":"2023-06-19T00:00:00Z","modified":"2024-12-11T17:06:44.616Z","updated_at":"2026-11-02T14:35:33.462059Z"}],"euvd":[{"id":"EUVD-2023-39842","description":"VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not properly check whether header sizes would result in accessing data outside of a packet.","status":"published","published":"2023-06-19T00:00:00Z","modified":"2024-12-11T17:06:44Z","updated_at":"2026-11-03T00:04:36.867108Z"}],"ghsa":[{"id":"GHSA-hjwh-ffhj-2hxf","title":"VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not properly check whether header sizes...","description":"VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not properly check whether header sizes would result in accessing data outside of a packet.","status":"published","published":"2023-06-19T03:30:19Z","modified":"2024-04-04T04:55:52Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:56:28.408484Z"}],"nvd":[{"id":"CVE-2023-35849","description":"VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not properly check whether header sizes would result in accessing data outside of a packet.","status":"published","published":"2023-06-19T03:15:09.37Z","modified":"2026-06-17T06:05:20.023Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:08:06.335469Z"}],"osv":[{"id":"CVE-2023-35849","description":"VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not properly check whether header sizes would result in accessing data outside of a packet.","status":"published","published":"2023-06-19T00:00:00Z","modified":"2026-10-28T10:33:06.870989676Z","updated_at":"2026-11-02T15:44:32.510144Z"}]}}