{"id":"CVE-2026-2738","details":"Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet","modified":"2026-07-08T08:06:18.543780816Z","published":"2026-02-19T20:00:30.951Z","database_specific":{"cwe_ids":["CWE-131"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2738.json","cna_assigner":"OpenVPN"},"references":[{"type":"WEB","url":"https://github.com/OpenVPN/ovpn-dco-win/"},{"type":"ADVISORY","url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-2738"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2738.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2738"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openvpn/ovpn-dco-win","events":[{"introduced":"ee04d293c73899d89b51e4191ee4e965560e3fb9"},{"last_affected":"ee04d293c73899d89b51e4191ee4e965560e3fb9"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"2.8.0"},{"last_affected":"2.8.0"}]}}],"versions":["2.8.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2738.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P"}]}