Bug #75867 [NEW]: Freeing uninitialized pointer

From: mike at flyn dot org Operating system: Linux PHP version: 7.2.1 Package: ICONV related Bug Type: Bug Bug description:Freeing uninitialized pointer Description: ------------ In iconv.c, it is possible that out_buffer might be free'd without every having been made to point to a valid heap address. This is because stack variables are not implicitly initialized, and php_iconv_string might fail, thus never initializing &out_buffer. See the attached patch. -- Edit bug report at https://bugs.php.net/bug.php?id=75867&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75867&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75867&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75867&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75867&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75867&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75867&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75867&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75867&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75867&r=support Expected behavior: https://bugs.php.net/fix.php?id=75867&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75867&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75867&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75867&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75867&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75867&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75867&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75867&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75867&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75867&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75867&r=mysqlcfg