Improper Input Validation Affecting trafficserver package, versions <7.1.2+ds-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ECHOLATEST-TRAFFICSERVER-18001097
- published17 Jul 2026
- disclosed27 Feb 2018
Introduced: 27 Feb 2018
CVE-2017-5660 (opens in a new tab)How to fix?
Upgrade Echo:latest trafficserver to version 7.1.2+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.
There is a vulnerability in Apache Traffic Server (ATS) 6.2.0 and prior and 7.0.0 and prior with the Host header and line folding. This can have issues when interacting with upstream proxies and the wrong host being used.
References
- https://advisory.echohq.com/cve/CVE-2017-5660
- https://www.cve.org/CVERecord?id=CVE-2017-5660
- https://lists.apache.org/thread.html/22d84783d94c53a5132ec89f002fe5165c87561a9428bcb6713b3c98@%3Cdev.trafficserver.apache.org%3E
- https://lists.apache.org/thread.html/22d84783d94c53a5132ec89f002fe5165c87561a9428bcb6713b3c98%40%3Cdev.trafficserver.apache.org%3E
- https://www.debian.org/security/2018/dsa-4128