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From "William A. Rowe Jr." <wr...@rowe-clan.net>
Subject [Announce] Regressions in httpd 2.2.18, apr 1.4.4, and apr-util 1.3.11
Date Thu, 19 May 2011 17:17:52 GMT

New releases are in progress for each of these projects and are
expected to be available in the coming days.  The upcoming httpd
2.2.19 will bundle new releases of apr and apr-util which correct
the regressions described below.  An announcement of these releases
will be broadcast.

Note: httpd 2.2.18 bundles apr 1.4.4 and apr-util 1.3.11.

Summary of regressions:

httpd 2.2.18: The ap_unescape_url_keep2f() function signature was changed.
This breaks binary compatibility of a number of third-party modules. In
addition, a regression in apr 1.4.4 (see below) could cause httpd to hang.

apr 1.4.4: A fix in apr 1.4.4 apr_fnmatch() to address CVE-2011-0419
introduced a new vulnerability.  A patch is attached and should be used
if httpd workers enter a hung state (100% cpu utilization) after updating
to httpd 2.2.18 or apr-util 1.4.4, or if hangs are seen in other apr
applications which use apr_fnmatch().

apr-util 1.3.11: A fix to LDAP support in apr-util 1.3.11 could cause
crashes with httpd's mod_authnz_ldap in some situations.



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