CVE-2026-14678
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
Aug 13, 2026
Vendor
unknown
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 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.