CVE-2011-4415
At a glance Severity Not available EPSS EPSS 3.02 % · percentile 87 (2026-10-27) State PUBLISHED Published 2011-11-08 Updated 2024-08-07 Assigner mitre NVD status Modified
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.
Scores Version Score Vector Scored by CVSS 2.0 LOW 1.2 AV:L/AC:H/Au:N/C:N/I:N/A:P NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.9:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.28:beta:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.32:beta:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.34:beta:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.40:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.41:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.42:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.43:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.44:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.45:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.46:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.47:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.48:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.49:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.50:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.51:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.52:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.53:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.54:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.55:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.56:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.57:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.58:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.59:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.60:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.61:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.63:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.0.64:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.2.0:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.2.1:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.2.2:*:*:*:*:*:*:*cpe:2.3:a:apache:http_server:2.2.3:*:*:*:*:*:*:*+15 more
Affected products Product Versions affected n/a
References
Sources