{"id":"JLSEC-2026-601","details":"Integer wraparound in multiple PostgreSQL server features allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds.  This may execute arbitrary code as the operating system user running the database.  In applications that pass gigabyte-scale user inputs to the relevant database functions, the application input provider may achieve a segmentation fault.  Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.","modified":"2026-07-18T00:00:15.036874951Z","published":"2026-06-08T13:54:13.679Z","upstream":["CVE-2026-6473"],"database_specific":{"license":"CC-BY-4.0","sources":[{"html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6473","database_specific":{"status":"Modified"},"id":"CVE-2026-6473","imported":"2026-07-17T22:13:33.663Z","modified":"2026-07-17T13:19:00.610Z","published":"2026-05-14T14:16:24.883Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-6473"}]},"references":[{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:22878"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:26181"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:26203"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:26204"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:26524"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:26525"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:26561"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:27718"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:27738"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:27741"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:27742"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:27743"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:28037"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:28143"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:28208"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:28999"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:29212"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:29815"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:29904"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:29953"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:32983"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:32994"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:33441"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:33497"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:34043"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:34362"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:34363"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:35880"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-6473"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477448"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6473.json"},{"type":"WEB","url":"https://www.postgresql.org/support/security/CVE-2026-6473/"}],"affected":[{"package":{"name":"LibPQ_jll","ecosystem":"Julia","purl":"pkg:julia/LibPQ_jll?uuid=08be9ffa-1c94-5ee5-a977-46a84ec9b350"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"16.14.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-601.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}