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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-14669

PostgreSQL to_char heap buffer overflow executes arbitrary code

Description

Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user running the database, via a long POSIX timezone abbreviation. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

n/a PostgreSQL

Default version status: unaffected

  • 18 to < 18.6affected
  • 17 to < 17.11affected
  • 16 to < 16.15affected
  • 15 to < 15.19affected
  • 0 to < 14.24affected

References