Security Advisory

CVE-2026-14678

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-13 13:00:08

Last updated 2026-08-29 23:07:21

Assigner PostgreSQL

CVSS score 4.3

State PUBLISHED

Description

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 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

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