CVE-2020-9481: Apache Traffic Server

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

Apache ATS 6.0.0 to 6.2.3, 7.0.0 to 7.1.9, and 8.0.0 to 8.0.6 is vulnerable to a HTTP/2 slow read attack.

Affected products

• Apache Traffic Server: from 6.0.0, up to and including 6.2.3; from 7.0.0, up to and including 7.1.9; from 8.0.0, up to and including 8.0.6
• Debian Debian Linux: version 10.0 only

Published 2020-04-27. Last modified 2026-06-17.