{"id":"BIT-postgresql-2026-14678","summary":"PostgreSQL pg_trgm picksplit reads past end of buffer","details":"Buffer over-read in PostgreSQL pg_trgm index picksplit function reads past end of a heap buffer.  This might allow a table maintainer to infer limited memory values, via the lossy signal of index split choices.  Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.","aliases":["CVE-2026-14678"],"modified":"2026-08-19T09:45:15.287636800Z","published":"2026-08-19T08:52:42.976Z","database_specific":{"cpes":["cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-14678"},{"type":"WEB","url":"https://www.postgresql.org/support/security/CVE-2026-14678/"}],"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-2026-14678.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"}