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CVE-2009-1891

HIGH CVSS: 7.1 Published: 2009-07-10 Modified: 2026-06-16

Description

The mod_deflate module in Apache httpd 2.2.11 and earlier compresses large files until completion even after the associated network connection is closed, which allows remote attackers to cause a denial of service (CPU consumption).

Affected Platforms

Canonical Ubuntu LinuxRedhat Enterprise Linux EusApache Http ServerRedhat Enterprise Linux WorkstationRedhat Enterprise Linux DesktopRedhat Enterprise Linux ServerFedoraproject FedoraRedhat Enterprise Linux Server AusDebian Debian Linux

Weakness Type

CWE-400

References