Improper Handling of Length Parameter Inconsistency Affecting haproxy package, versions [,3.4-dev5)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.48% (39th percentile)

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  • Snyk IDSNYK-UNMANAGED-HAPROXY-18305915
  • published25 Jul 2026
  • disclosed20 Jul 2026
  • creditUnknown

Introduced: 20 Jul 2026

CVE-2026-26081  (opens in a new tab)
CWE-130  (opens in a new tab)

How to fix?

Upgrade haproxy to version 3.4-dev5 or higher.

Overview

Affected versions of this package are vulnerable to Improper Handling of Length Parameter Inconsistency in the NEW_TOKEN process. An attacker can cause a denial of service or potentially modify data by sending specially crafted input that exploits the lack of length validation.

CVSS Base Scores

version 4.0
version 3.1