CVE-2022-25763: Apache Traffic Server

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

Improper Input Validation vulnerability in HTTP/2 request validation of Apache Traffic Server allows an attacker to create smuggle or cache poison attacks. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.

Affected products

• Apache Traffic Server: from 8.0.0, before 8.1.5 (fixed in 8.1.5); from 9.0.0, before 9.1.3 (fixed in 9.1.3)
• Debian Debian Linux: version 11.0 only
• Fedoraproject Fedora: version 35 only; version 36 only

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