VULNERABILITY INTELLIGENCE

CVE-2011-4415

CVSS score1.2 LOW

EPSS probability4.72%

CISA KEVNot currently listed

Published2011-11-08

Last modified2026-06-16

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 ... .