CVE-2022-31778: Apache Traffic Server

High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.

Improper Input Validation vulnerability in handling the Transfer-Encoding header of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 8.0.0 to 9.0.2.

Affected products

• Apache Traffic Server: from 8.0.0, up to and including 8.1.4; from 9.0.0, up to and including 9.1.2
• Debian Debian Linux: version 11.0 only

Published 2022-08-10. Last modified 2026-06-17.