Improper Input Validation Affecting trafficserver package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
2.51% (83rd percentile)

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  • Snyk IDSNYK-UBUNTU2004-TRAFFICSERVER-1910310
  • published26 Feb 2026
  • disclosed3 Nov 2021

Introduced: 3 Nov 2021

CVE-2021-37149  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 trafficserver.

NVD Description

Note: Versions mentioned in the description apply only to the upstream trafficserver package and not the trafficserver package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

Improper Input Validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.1.0.

CVSS Base Scores

version 3.1