Missing Release of Resource after Effective Lifetime Affecting github.com/lin-snow/ech0/internal/i18n package, versions <5.0.2


Severity

Recommended
0.0
high
0
10

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  • Snyk IDSNYK-GOLANG-GITHUBCOMLINSNOWECH0INTERNALI18N-17972553
  • published14 Jul 2026
  • disclosed14 Jul 2026
  • creditUnknown

Introduced: 14 Jul 2026

CVE NOT AVAILABLE CWE-770  (opens in a new tab)
CWE-772  (opens in a new tab)

How to fix?

There is no fixed version for github.com/lin-snow/ech0/internal/i18n.

Overview

Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime through the i18n.Middleware process, which processes the Accept-Language HTTP header without adequate filtering. An attacker can exhaust server CPU resources by sending specially crafted Accept-Language headers containing a large number of _ separators, causing the underlying parser to exhibit quadratic-time behavior.

CVSS Base Scores

version 4.0
version 3.1