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 denial of service (CPU consumption).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.1 UNKNOWN
NETWORK
MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:C
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 95%
VendorProductVersion
apachehttp_server
2.0.35 ≤
𝑥
< 2.0.64
apachehttp_server
2.2.0 ≤
𝑥
< 2.2.12
debiandebian_linux
4.0
debiandebian_linux
5.0
debiandebian_linux
6.0
canonicalubuntu_linux
6.06
canonicalubuntu_linux
8.04
canonicalubuntu_linux
8.10
canonicalubuntu_linux
9.04
redhatenterprise_linux_desktop
5.0
redhatenterprise_linux_eus
5.3
redhatenterprise_linux_server
5.0
redhatenterprise_linux_server_aus
5.3
redhatenterprise_linux_workstation
5.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
apache2
bullseye
2.4.62-1~deb11u1
fixed
bullseye (security)
2.4.62-1~deb11u2
fixed
bookworm
2.4.62-1~deb12u1
fixed
bookworm (security)
2.4.62-1~deb12u2
fixed
sid
2.4.62-3
fixed
trixie
2.4.62-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
apache2
jaunty
Fixed 2.2.11-2ubuntu2.2
released
intrepid
Fixed 2.2.9-7ubuntu3.2
released
hardy
Fixed 2.2.8-1ubuntu0.10
released
dapper
Fixed 2.0.55-4ubuntu2.6
released
References