Sun has acknowledged some vulnerabilities in Apache for Solaris, which can be exploited by malicious, local users to gain escalated privileges, and by malicious people to conduct HTTP request smuggling attacks and potentially bypass certain security restrictions.

For more information:
SA12898
SA14530
SA16700

The following versions are affected by one or more of the vulnerabilities on both the SPARC and x86 platforms:
* Solaris 8
* Solaris 9
* Solaris 10

Solution
The vendor recommends installing Apache 1.3.34 or later from the Apache site and mod_ssl 2.8.24 or later from the modssl site, until patches are available.
Original Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102197-1

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers