4.3
Medium
CVE-2026-14678 Buffer over-read in PostgreSQL pg_trgm index picksplit function reads past end of a heap buffer
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| postgresql 18 | 18 → < 18.6 | 18.6 |
| postgresql 17 | 17 → < 17.11 | 17.11 |
| postgresql 16 | 16 → < 16.15 | 16.15 |
| postgresql 15 | 15 → < 15.19 | 15.19 |
| postgresql 14.24 | earliest → < 14.24 | 14.24 |
References
- www.postgresql.org www.postgresql.org
Timeline
- Published
- Last modified
Other CVEs of postgresql
The 79 CVEs of postgresql →
CVE-2026-6471
Missing authorization in PostgreSQL logical decoding allows a non-superuser holding REPLICATION privilege to dlopen…
7.2
High
CVE-2026-14671
Type confusion in PostgreSQL module "refint" allows an object creator to execute arbitrary code as the operating…
8.8
High
CVE-2026-6470
Missing authorization in PostgreSQL DDL commands allows an object creator to achieve denial of service against ALTER and…
4.3
Medium
CVE-2026-6464
Untrusted data inclusion in PostgreSQL psql COPY may allow a server administrator to elicit execution of data lines as…
8.1
High