CVE-2026-14678

Summary

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.

Affected Software

VendorProductVersion RangeStatus
n/aPostgreSQL18 < 18.5affected
n/aPostgreSQL17 < 17.11affected
n/aPostgreSQL16 < 16.15affected
n/aPostgreSQL15 < 15.19affected
n/aPostgreSQL0 < 14.24affected

Weaknesses

  • CWE-126: Buffer Over-read

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References