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AUSCERT External Security Bulletin Redistribution
Apache HTTP Server 2.4.9 Released
19 March 2014
AusCERT Security Bulletin Summary
Product: Apache HTTP Server
Publisher: The Apache Software Foundation
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2014-0098 CVE-2013-6438
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Apache HTTP Server 2.4.9 Released
The Apache Software Foundation and the Apache HTTP Server Project
are pleased to announce the release of version 2.4.9 of the Apache
HTTP Server ("Apache"). This version of Apache is our latest GA
release of the new generation 2.4.x branch of Apache HTTPD and
represents fifteen years of innovation by the project, and is
recommended over all previous releases. This release of Apache is
principally a security, feature and bug fix release.
Segfaults with truncated cookie logging.
mod_log_config: Prevent segfaults when logging truncated
cookies. Clean up the cookie logging parser to recognize
only the cookie=value pairs, not valueless cookies.
mod_dav: Keep track of length of cdata properly when removing
leading spaces. Eliminates a potential denial of service from
specifically crafted DAV WRITE requests
Also in this release are some exciting new features including:
*) Finer control over scoping of RewriteRules
*) Unix Domain Socket (UDS) support for mod_proxy backends.
*) Support for larger shared memory sizes for mod_socache_shmcb
*) mod_lua and mod_ssl enhancements
*) Support named groups and backreferences within the LocationMatch,
DirectoryMatch, FilesMatch and ProxyMatch directives.
We consider this release to be the best version of Apache available, and
encourage users of all prior versions to upgrade. [NOTE: 2.4.8 was not
Apache HTTP Server 2.4.9 is available for download from:
Apache 2.4 offers numerous enhancements, improvements, and performance
boosts over the 2.2 codebase. For an overview of new features
introduced since 2.4 please see:
Please see the CHANGES_2.4 file, linked from the download page, for a
full list of changes. A condensed list, CHANGES_2.4.9 includes only
those changes introduced since the prior 2.4 release. A summary of all
of the security vulnerabilities addressed in this and earlier releases
This release requires the Apache Portable Runtime (APR) version 1.5.x
and APR-Util version 1.5.x. The APR libraries must be upgraded for all
features of httpd to operate correctly.
This release builds on and extends the Apache 2.2 API. Modules written
for Apache 2.2 will need to be recompiled in order to run with Apache
2.4, and require minimal or no source code changes.
When upgrading or installing this version of Apache, please bear in mind
that if you intend to use Apache with one of the threaded MPMs (other
than the Prefork MPM), you must ensure that any modules you will be
using (and the libraries they depend on) are thread-safe.
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