{"id":"CVE-2026-1788","summary":"Buffer Overflow in Xquic Server","details":": Out-of-bounds Write vulnerability in Xquic Project Xquic Server xquic on Linux (QUIC protocol implementation, packet processing module modules) allows : Buffer Manipulation.This issue affects Xquic Server: through 1.8.3.","modified":"2026-10-28T10:50:25.116608577Z","published":"2026-02-03T03:22:48.256Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1788.json","cna_assigner":"alibaba","cwe_ids":["CWE-787"]},"references":[{"type":"WEB","url":"https://github.com"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1788.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1788"},{"type":"PACKAGE","url":"https://github.com/alibaba/xquic"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/alibaba/xquic","events":[{"introduced":"0"},{"fixed":"863cf59499b03592696fb6c7188a2fc102c4e5e8"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0"},{"fixed":"1.9.0"}],"source":"AFFECTED_FIELD","strategy":"ChangesAt"},{"range":[{"introduced":"0"},{"last_affected":"1.8.3"}],"source":"DESCRIPTION"}]}}],"versions":["v1.8.3","v1.8.2","v1.8.1","v1.8.0","v1.7.2","v1.7.1","v1.7.0","v1.6.3","v1.6.2","v1.6.1","v1.6.0","v1.5.0","v1.4.0","v1.3.0-beta","v1.2.0-stable","v1.1.0-stable","v1.1.0-beta.2","v1.1.0-beta.1","stable-1.0.1","stable-1.0.0"],"database_specific":{"vanir_signatures":[{"target":{"file":"src/transport/xqc_conn.h"},"deprecated":false,"digest":{"line_hashes":["113333022774093366381828269440543074723","299057689803390314102166936370363950909","174216523501673368871297325698410771816","99338942677483529740230712787429836897"],"threshold":0.9},"id":"CVE-2026-1788-7e476404","signature_type":"Line","signature_version":"v1","source":"https://github.com/alibaba/xquic/commit/863cf59499b03592696fb6c7188a2fc102c4e5e8"}],"vanir_signatures_modified":"2026-10-28T10:50:25Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1788.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U/RE:M/U:Amber"}]}