CVE-2011-3607
EPSS 0.24%Published: 11/8/2011Modified: 4/28/2026
Description
Integer overflow in 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, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.
Affected packages (1)
- Debian/apache2from 0, < 2.2.21-4