{"id":"BIT-postgresql-2026-18024","summary":"PostgreSQL ascii() function reads past end of buffer","details":"Buffer over-read in PostgreSQL ascii() SQL function allows a user to disclose up to 3 bytes after the end of a specific allocation, via a crafted text value.  This is the same class of defect that CVE-2026-2006 fixed, though this instance has less impact.  Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.","aliases":["CVE-2026-18024"],"modified":"2026-09-08T08:48:18.532263049Z","published":"2026-08-19T08:52:52.918Z","database_specific":{"cpes":["cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18024"},{"type":"ADVISORY","url":"https://www.postgresql.org/support/security/CVE-2026-18024/"}],"affected":[{"package":{"name":"postgresql","ecosystem":"Bitnami","purl":"pkg:bitnami/postgresql"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"14.24.0"},{"introduced":"15.0.0"},{"fixed":"15.19.0"},{"introduced":"16.0.0"},{"fixed":"16.15.0"},{"introduced":"17.0.0"},{"fixed":"17.11.0"},{"introduced":"18.0.0"},{"fixed":"18.5.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/postgresql/BIT-postgresql-2026-18024.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}],"schema_version":"1.9.0"}