httpd: ap_pregsub Integer overflow to buffer overflow

Integer overflow in the appregsub 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 modsetenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted...

DEBIAN-CVE-2011-4415

The appregsub 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 modsetenvif 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...