Buffer Over-read Affecting libpq package, versions [14.2,17.11)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.2% (10th percentile)

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  • Snyk IDSNYK-CONAN-LIBPQ-19427860
  • published29 Aug 2026
  • disclosed13 Aug 2026
  • creditUnknown

Introduced: 13 Aug 2026

NewCVE-2026-14678  (opens in a new tab)
CWE-126  (opens in a new tab)

How to fix?

Upgrade libpq to version 17.11 or higher.

Overview

Affected versions of this package are vulnerable to Buffer Over-read in the picksplit process. An attacker can infer limited memory values by observing the behavior of index split choices.

CVSS Base Scores

version 4.0
version 3.1