Integer Overflow or Wraparound Affecting libpq package, versions [14.2,]


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.06% (20th percentile)

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  • Snyk IDSNYK-CONAN-LIBPQ-16691472
  • published14 May 2026
  • disclosed14 May 2026
  • creditUnknown

Introduced: 14 May 2026

NewCVE-2026-6473  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Integer Overflow or Wraparound via integer wraparound in the allocation process. An attacker can execute arbitrary code or cause a segmentation fault by providing specially crafted, large-scale inputs to database functions.

CVSS Base Scores

version 4.0
version 3.1