CVE-2026-14677

ADVISORY - nist

Summary

Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies. This may execute arbitrary code as the operating system user running the database. CVE-2026-6473 had fixed similar problems. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-190⁠

Integer Overflow or Wraparound

Impacted images

Advisories

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