Segmentation Fault in libapache2-mod-php5 5.3.2-1ubuntu4.7

Binary package hint: php5

Hi,

We have been getting frequent segmentation faults in our ubuntu apache+php box.

Please find the list of packages we are using below
--------------------------------------------------------------------------------
libapache2-mod-php5 5.3.2-1ubuntu4.7
php-apc 3.1.3p1-2
php-pear 5.3.2-1ubuntu4.7
php5 5.3.2-1ubuntu4.7
php5-cli 5.3.2-1ubuntu4.7
php5-common 5.3.2-1ubuntu4.7
php5-curl 5.3.2-1ubuntu4.7
php5-dev 5.3.2-1ubuntu4.7
php5-gd 5.3.2-1ubuntu4.7
php5-memcache 3.0.4-2build1
php5-memcached 1.0.0-1build1
php5-mysql 5.3.2-1ubuntu4.7
apache2 2.2.14-5ubuntu8.4
apache2-mpm-prefork 2.2.14-5ubuntu8.4
apache2-threaded-dev 2.2.14-5ubuntu8.4
apache2-utils 2.2.14-5ubuntu8.4
apache2.2-bin 2.2.14-5ubuntu8.4
apache2.2-common 2.2.14-5ubuntu8.4
--------------------------------------------------------------------------------

Please find the stack trace from the core dumps here - https://gist.github.com/905547

This is an Ubuntu 10.04.2 LTS guest running on an Ubuntu 10.10 host [kvm + qemu]

Tried to search other segmentation fault bugs - but couldn't find any similar. Please let us know if any more information is required.