Apache HTTP Server 2.2.20 Released

The Apache HTTP Server Project is proud to announce the release of version 2.2.20 of the Apache HTTP Server ("httpd"). This version is principally a security (CVE-2011-3192) and bugfix release .

This version of httpd is a major release of the stable branch, and represents the best available version of Apache HTTP Server. New features include Smart Filtering, Improved Caching, AJP Proxy, Proxy Load Balancing, Graceful Shutdown support, Large File Support, the Event MPM, and refactored Authentication/Authorization.

Changes with Apache 2.2.20
*) SECURITY: CVE-2011-3192 (cve.mitre.org)
core: Fix handling of byte-range requests to use less memory, to avoid
denial of service. If the sum of all ranges in a request is larger than
the original file, ignore the ranges and send the complete file.
PR 51714. [Stefan Fritsch, Jim Jagielski, Ruediger Pluem, Eric Covener]
*) mod_authnz_ldap: If the LDAP server returns constraint violation,
don't treat this as an error but as "auth denied". [Stefan Fritsch]

*) mod_filter: Fix FilterProvider conditions of type "resp=" (response
headers) for CGI. [Joe Orton, Rainer Jung]

*) mod_reqtimeout: Fix a timed out connection going into the keep-alive
state after a timeout when discarding a request body. PR 51103.
[Stefan Fritsch]

*) core: Do the hook sorting earlier so that the hooks are properly sorted
for the pre_config hook and during parsing the config. [Stefan Fritsch]