Apache is the most widely used open-source HTTP server for modern Unix-like systems. It descended from the original NCSA HTTPd server, but accumulated a wide array of configuration options and features and extension modules since. It stays current with recent HTTP protocol changes and even SPDY support.
2.4.1230 Jan 2015 05:45
mpm_winnt: Accept utf-8 (Unicode) service names and descriptions for internationalization.
mpm_winnt: Normalize the error and status messages emitted by service.c, the service control interface for Windows.
configure: Fix --enable-v4-mapped configuration on *BSD.
2.4.1023 Jul 2014 18:33
CVE-2014-0117 for mod_proxy: Fix crash in Connection header handling which allowed a denial of service attack against a reverse proxy with a threaded MPM. CVE-2014-3523: Fix a memory consumption denial of service in the WinNT MPM (used in all Windows installations). Workaround: AcceptFilter none connect . CVE-2014-0226: Fix a race condition in scoreboard handling, which could lead to a heap buffer overflow. CVE-2014-0118 for mod_deflate: The DEFLATE input filter (inflates request bodies) now limits the length and compression ratio of inflated request bodies to avoid denial of sevice via highly compressed bodies. See directives DeflateInflateLimitRequestBody, DeflateInflateRatioLimit, and DeflateInflateRatioBurst. CVE-2014-0231 for mod_cgid: Fix a denial of service against CGI scripts that do not consume stdin that could lead to lingering HTTPD child processes filling up the scoreboard and eventually hanging the server. By default, the client I/O timeout (Timeout directive) now applies to communication with scripts. The CGIDScriptTimeout directive can be used to set a different timeout for communication with scripts.
2.4.926 Jun 2014 20:48
Crash in SSL_get_certificate for absent certificates was fixed. Added mod_lua checks for the LuaMapHandler directive processing.