CVE-2009-1891
High
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).
SeverityHigh
CVSS7.1
Exploit probability—
Product
Apache Http Server
PublishedJul 10, 2009
First seenJul 10, 2009
How to fix
Update
- apache http_server2.0.64, 2.2.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache http_server | 2.0.35 ≤ v < 2.0.64, 2.2.0 ≤ v < 2.2.12 | 2.0.64, 2.2.12 |
| debian debian_linux | 4.0, 5.0, 6.0 | — |
| fedoraproject fedora | 11 | — |
| canonical ubuntu_linux | 6.06, 8.04, 8.10, 9.04 | — |
| redhat enterprise_linux_desktop | 5.0 | — |
| redhat enterprise_linux_eus | 5.3 | — |
| redhat enterprise_linux_server | 5.0 | — |
| redhat enterprise_linux_server_aus | 5.3 | — |
| redhat enterprise_linux_workstation | 5.0 | — |
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