CVE-2019-17565: Apache Traffic Server

Critical severity, CVSS 9.8. EPSS: 3.2% chance of exploitation in the next 30 days.

There is a vulnerability in Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.8, and 8.0.0 to 8.0.5 with a smuggling attack and chunked encoding. Upgrade to versions 7.1.9 and 8.0.6 or later versions.

Affected products

• Apache Traffic Server: from 6.0.0, up to and including 6.2.3; from 7.0.0, up to and including 7.1.8; from 8.0.0, up to and including 8.0.5
• Debian Debian Linux: version 10.0 only

Published 2020-03-23. Last modified 2026-06-17.