suhosin 0.9.29 reliably segfaults with php-5.3.2 built with USE="apache2 bcmath berkdb bzip2 calendar cgi cjk cli crypt ctype curl curlwrappers doc exif fileinfo filter flatfile ftp gd-external gdbm gmp hash iconv imap inifile iodbc ipv6 json kerberos ldap ldap-sasl mysql mysqli nls pcntl pdo pic posix postgres readline session sharedext simplexml snmp soap sockets spell sqlite3 ssl suhosin sysvipc threads tidy tokenizer truetype unicode xml xmlreader xmlrpc xmlwriter xsl zip zlib -adabas -birdstep -cdb -concurrentmodphp -db2 -dbmaker -debug -embed -empress -empress-bcs -enchant -esoob -firebird -frontbase -gd -interbase -intl -kolab -libedit -mssql -mysqlnd -oci8 -oci8-instant-client -odbc -phar -qdbm -recode -sapdb -sharedmem -solid -sqlite -sybase-ct -wddx -xpm" ChangeLog of suhosin 0.9.31 claims to have that fixed and this indeed seems to be the case.
I've pushed a version bump to the overlay and will transfer it to the main tree shortly.
The update is now in CVS, thanks for reporting this.