Bug #79681 [NEW]: mime_content_type/finfo returning incorrect mimetype

From: xandros92 at gmail dot com Operating system: Windows 10 1909 PHP version: 7.4.6 Package: *Directory/Filesystem functions Bug Type: Bug Bug description:mime_content_type/finfo returning incorrect mimetype Description: ------------ After change php version from 7.3 and 7.2 to 7.4, some applications failed validation uploaded files on mimetype. The problem exist with some audio/mpeg and application/x-gzip. Test script: --------------- echo finfo_file(finfo_open(), __DIR__ . '/sample.xml.gz', FILEINFO_MIME); echo finfo_file(finfo_open(), __DIR__ . '/sample.mp3, FILEINFO_MIME); Expected result: ---------------- application/x-gzip; charset=binary audio/mpeg; charset=binary Actual result: -------------- application/gzip; charset=binary application/x-font-gdos; charset=binary -- Edit bug report at https://bugs.php.net/bug.php?id=79681&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=79681&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=79681&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=79681&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=79681&r=needscript Try newer version: https://bugs.php.net/fix.php?id=79681&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=79681&r=support Expected behavior: https://bugs.php.net/fix.php?id=79681&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=79681&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=79681&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=79681&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=79681&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=79681&r=dst IIS Stability: https://bugs.php.net/fix.php?id=79681&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=79681&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=79681&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=79681&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=79681&r=mysqlcfg