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CVE-2009-1891 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 denia...

HighCVSS 7.1 EPSS 17.1%
Published
Updated
Exploit status
No public exploit known

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 products

ProductAffected versionsFixed in
Apache HTTP Server >= 2.0.35, < 2.0.64 2.0.64
Apache HTTP Server >= 2.2.0, < 2.2.12 2.2.12
debian linux = 4.0 No fix listed
debian linux = 5.0 No fix listed
debian linux = 6.0 No fix listed
fedoraproject fedora = 11 No fix listed
Canonical Ubuntu Linux = 6.06 No fix listed
Canonical Ubuntu Linux = 8.04 No fix listed
Canonical Ubuntu Linux = 8.10 No fix listed
Canonical Ubuntu Linux = 9.04 No fix listed
redhat enterprise linux desktop = 5.0 No fix listed
redhat enterprise linux eus = 5.3 No fix listed
redhat enterprise linux server = 5.0 No fix listed
redhat enterprise linux server aus = 5.3 No fix listed
redhat enterprise linux workstation = 5.0 No fix listed
debian/apache2(Debian:12) < 2.2.11-7 2.2.11-7
debian/apache2(Debian:13) < 2.2.11-7 2.2.11-7
debian/apache2(Debian:14) < 2.2.11-7 2.2.11-7

References