CVE-2019-19886: Fedoraproject Fedora

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

Trustwave ModSecurity 3.0.0 through 3.0.3 allows an attacker to send crafted requests that may, when sent quickly in large volumes, lead to the server becoming slow or unresponsive (Denial of Service) because of a flaw in Transaction::addRequestHeader in transaction.cc.

Affected products

• Fedoraproject Fedora: version 30 only; version 31 only; version 32 only
• Owasp Modsecurity: from 3.0.0, up to and including 3.0.3

Published 2020-01-21. Last modified 2026-06-17.