VDB
CVE-2026-14678
CVE-2026-14678
PUBLISHED
CVSS 4.3 MEDIUM
Reported by PostgreSQL · Published August 13, 2026
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.
Risk Scores
CVSS 3.1
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| n/a | PostgreSQL | 18, 17, 16 |
| alpine | postgresql16 | 0, 0, 0 |
| alpine | postgresql17 | 0, 0, 0 |
| alpine | postgresql15 | 0, 0, 0 |
| PostgreSQL | PostgreSQL | |
| n/a | PostgreSQL | 18, 17, 16 |
| alpine | postgresql18 | 0, 0, 0 |
Timeline
- Aug 13, 2026 CVE Published
- Aug 15, 2026 Coalition ESS Score
- Aug 20, 2026 Security Advisory
- Aug 24, 2026 EPSS Score
- Sep 9, 2026 EPSS Score
- Sep 16, 2026 EPSS Score
- Sep 24, 2026 EPSS Score
- Sep 26, 2026 EPSS Score
- Oct 6, 2026 EPSS Score