How severe is CVE-2011-4415?

This vulnerability has a severity rating of LOW with a CVSS score of 1.2 out of 10.

What type of vulnerability is CVE-2011-4415?

This is classified as CWE-20, which is a common weakness in software security.

CVE-2011-4415 - LOW Severity | CVSS 1.2

Vulnerability Description

The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the size of values of environment variables, which allows local users to cause a denial of service (memory consumption or NULL pointer dereference) via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, related to (1) the "len +=" statement and (2) the apr_pcalloc function call, a different vulnerability than CVE-2011-3607.

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