CVE-2026-14678
Medium · 4.3CVSS
4.3
EPSS
0.2%
Published
Aug 13, 2026
CISA due date
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The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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