CVE-2026-15742

Summary

Integer wraparound in PostgreSQL fuzzystrmatch allows a user to direct writes to a huge range of addresses, executing arbitrary code as the operating system user running the database, via extreme inputs to SQL function levenshtein() or levenshtein_less_equal(). 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-190: Integer Overflow or Wraparound

ADP Enrichment

CISA ADP Vulnrichment

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

References