{"id":"JLSEC-2026-211","details":"`libmariadb/mariadb_lib.c` in MariaDB Connector/C before 3.1.8 does not properly validate the content of an OK packet received from a server. NOTE: although `mariadb_lib.c` was originally based on code shipped for MySQL, this issue does not affect any MySQL components supported by Oracle.","modified":"2026-07-25T18:24:38.866482302Z","published":"2026-04-27T14:14:18.864Z","upstream":["CVE-2020-13249"],"database_specific":{"sources":[{"database_specific":{"status":"Modified"},"id":"CVE-2020-13249","imported":"2026-07-17T21:21:59.860Z","modified":"2026-06-17T02:52:47.653Z","published":"2020-05-20T19:15:09.163Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-13249","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13249"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00064.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00054.html"},{"type":"WEB","url":"https://github.com/mariadb-corporation/mariadb-connector-c/commit/2759b87d72926b7c9b5426437a7c8dd15ff57945"},{"type":"WEB","url":"https://github.com/mariadb-corporation/mariadb-connector-c/compare/v3.1.7...v3.1.8"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UW2ED32VEUHXFN2J3YQE27JIBV4SC2PI/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4X2BMF3EILMTXGOZDTPYS3KT5VWLA2P/"}],"affected":[{"package":{"name":"MariaDB_Connector_C_jll","ecosystem":"Julia","purl":"pkg:julia/MariaDB_Connector_C_jll?uuid=aabc7e14-95f1-5e66-9f32-aea603782360"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.1.12+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-211.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:M/Au:N/C:P/I:P/A:P"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}