Bug #80203 [NEW]: imap_mime_header_decode() is not binary safe

From: cmb Operating system: * PHP version: 7.3Git-2020-10-08 (Git) Package: IMAP related Bug Type: Bug Bug description:imap_mime_header_decode() is not binary safe Description: ------------ If NUL bytes are encoded in the encoded-word, the decoded text is truncated at that position. Test script: --------------- <?php var_dump(bin2hex(imap_mime_header_decode("=?UTF-8?Q?foo=00bar?=")[0]->text)); var_dump(bin2hex(imap_mime_header_decode("=?UTF-8?B?Zm9vAGJhcg==?=")[0]->text)); ?> Expected result: ---------------- string(14) "666f6f00626172" string(14) "666f6f00626172" Actual result: -------------- string(6) "666f6f" string(6) "666f6f" -- Edit bug report at https://bugs.php.net/bug.php?id=80203&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=80203&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=80203&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=80203&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=80203&r=needscript Try newer version: https://bugs.php.net/fix.php?id=80203&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=80203&r=support Expected behavior: https://bugs.php.net/fix.php?id=80203&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=80203&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=80203&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=80203&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=80203&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=80203&r=dst IIS Stability: https://bugs.php.net/fix.php?id=80203&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=80203&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=80203&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=80203&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=80203&r=mysqlcfg