HTTP Request Smuggling Affecting trafficserver package, versions <8.1.1+ds-1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
1.79% (76th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ECHOLATEST-TRAFFICSERVER-18001154
  • published17 Jul 2026
  • disclosed11 Jan 2021

Introduced: 11 Jan 2021

CVE-2020-17509  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade Echo:latest trafficserver to version 8.1.1+ds-1 or higher.

NVD Description

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

ATS negative cache option is vulnerable to a cache poisoning attack. If you have this option enabled, please upgrade or disable this feature. Apache Traffic Server versions 7.0.0 to 7.1.11 and 8.0.0 to 8.1.0 are affected.

CVSS Base Scores

version 3.1