Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 195073945 bytes) in /home/bitrix/www/bitrix/modules/security/classes/general/post_filter.php on line 274

Call Stack:
    0.0001     232904   1. {main}() /home/bitrix/www/bitrix/urlrewrite.php:0
    0.0002     233784   2. include_once('/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php') /home/bitrix/www/bitrix/urlrewrite.php:11
    0.0016     446640   3. include_once('/home/bitrix/www/catalog/index.php') /home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
    3.3052  115390504   4. require('/home/bitrix/www/bitrix/footer.php') /home/bitrix/www/catalog/index.php:1412
    3.3052  115390944   5. require_once('/home/bitrix/www/bitrix/modules/main/include/epilog.php') /home/bitrix/www/bitrix/footer.php:4
    3.3166  115789656   6. require('/home/bitrix/www/bitrix/modules/main/include/epilog_after.php') /home/bitrix/www/bitrix/modules/main/include/epilog.php:3
    3.3172  115826536   7. CAllMain->EndBufferContentMan() /home/bitrix/www/bitrix/modules/main/include/epilog_after.php:36
    3.5991  115824880   8. CAllMain->EndBufferContent() /home/bitrix/www/bitrix/modules/main/classes/general/main.php:3138
    7.2616  213566960   9. ExecuteModuleEventEx() /home/bitrix/www/bitrix/modules/main/classes/general/main.php:3190
    7.2619  213578192  10. call_user_func_array:{/home/bitrix/www/bitrix/modules/main/classes/general/module.php:490}() /home/bitrix/www/bitrix/modules/main/classes/general/module.php:490
    7.2619  213578640  11. CSecurityXSSDetect::OnEndBufferContent() /home/bitrix/www/bitrix/modules/main/classes/general/module.php:490
    7.2987  213579136  12. CSecurityXSSDetect->process() /home/bitrix/www/bitrix/modules/security/classes/general/post_filter.php:55
    7.3350  311123152  13. CSecurityXSSDetect->filter() /home/bitrix/www/bitrix/modules/security/classes/general/post_filter.php:72
    7.3351  311123888  14. preg_replace_callback() /home/bitrix/www/bitrix/modules/security/classes/general/post_filter.php:274