A vulnerability has been found and corrected in perl-CGI:

Unspecified vulnerability in CGI.pm 3.50 and earlier allows remote
attackers to inject arbitrary HTTP headers and conduct HTTP response
splitting attacks via unknown vectors. NOTE: this issue exists
because of an incomplete fix for CVE-2010-2761 (CVE-2010-4411).

Packages for 2009.0 are provided as of the Extended Maintenance
Program. Please visit this link to learn more:
http://store.mandriva.com/product_info.php?cPath=149&products_id=490

The updated packages have been upgraded to the latest version (3.51)
which is not affected by this issue and in turn also brings many
bugfixes.