{"id":"JLSEC-2026-56","details":"Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun.  That suffices to execute arbitrary code as the operating system user running the database.  Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.","modified":"2026-04-03T13:30:09.212475Z","published":"2026-04-03T13:27:15.647Z","upstream":["CVE-2026-2006"],"database_specific":{"sources":[{"id":"CVE-2026-2006","imported":"2026-04-03T13:13:10.845Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-2006","published":"2026-02-12T14:16:02.470Z","modified":"2026-02-20T19:54:12.520Z","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2006"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://www.postgresql.org/support/security/CVE-2026-2006/"}],"affected":[{"package":{"name":"LibPQ_jll","ecosystem":"Julia","purl":"pkg:julia/LibPQ_jll?uuid=08be9ffa-1c94-5ee5-a977-46a84ec9b350"},"ranges":[{"type":"SEMVER","events":[{"introduced":"14.1.0+0"},{"fixed":"16.13.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-56.json"}}],"schema_version":"1.7.5"}