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Vulnerability Details : 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).
Vulnerability category: Denial of service
Published 2009-07-10 15:30:00
Updated 2023-02-13 02:20:14
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2009-1891

Probability of exploitation activity in the next 30 days: 0.27%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 63 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-1891

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.1
 HIGH AV:N/AC:M/Au:N/C:N/I:N/A:C
8.6
6.9
 [email protected]

CWE ids for CVE-2009-1891

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by: [email protected] (Primary)

References for CVE-2009-1891

Products affected by CVE-2009-1891

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