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CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2025-4207

PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation

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Status
Published
Published
Updated
Assigning organization
PostgreSQL

Description

Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 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

  • 17 to < 17.5affected
  • 16 to < 16.9affected
  • 15 to < 15.13affected
  • 14 to < 14.18affected
  • 0 to < 13.21affected

References