#35138 [NEW]: Coredump on validation of empty domdocument

From: kpisman at gmail dot com Operating system: FreeBSD 6.0 PHP version: 5.0.5 PHP Bug Type: DOM XML related Bug description: Coredump on validation of empty domdocument Description: ------------ Segmentation fult when empy domDocument is validated with schema. Please note, this bug is may be potential way for low-bandwith DoS attack for any service, that is validating input with schma. Reproduce code: --------------- <? $myDom=new DomDocument(); $myDom->schemaValidate('http://www.w3.org/TR/xmldsig-core/xmldsig-core-schema.xsd'); ?> Expected result: ---------------- method must return false, excution must be continued. Actual result: -------------- [pisman@nothing]~/testsys]php ff.php zsh: segmentation fault (core dumped) php ff.php bt outpuut is seems like infinite recursion. -- Edit bug report at http://bugs.php.net/?id=35138&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=35138&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=35138&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=35138&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=35138&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=35138&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=35138&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=35138&r=needscript Try newer version: http://bugs.php.net/fix.php?id=35138&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=35138&r=support Expected behavior: http://bugs.php.net/fix.php?id=35138&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=35138&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=35138&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=35138&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=35138&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=35138&r=dst IIS Stability: http://bugs.php.net/fix.php?id=35138&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=35138&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=35138&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=35138&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=35138&r=mysqlcfg