[wp-trac] [WordPress Trac] #39722: wp_upload_dir() causing preg_match(): null byte in regex in wp-includes\functions.php on line 5163
WordPress Trac
noreply at wordpress.org
Sat Jan 28 08:46:19 UTC 2017
#39722: wp_upload_dir() causing preg_match(): null byte in regex in wp-
includes\functions.php on line 5163
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Reporter: indextwo | Owner:
Type: defect (bug) | Status: new
Priority: normal | Milestone: Awaiting Review
Component: Media | Version: 4.7.1
Severity: normal | Resolution:
Keywords: needs-patch reporter-feedback | Focuses:
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Changes (by SergeyBiryukov):
* keywords: needs-patch => needs-patch reporter-feedback
Comment:
Hi @indextwo, welcome to Trac! Thanks for the report.
Replying to [comment:1 indextwo]:
> The linked SO post suggests to me that the `$path` parameter of
`wp_is_stream` is being passed null byte(s), and `preg_replace` with
double quotes (`"`) is trying to parse them.
The regex here includes `$wrappers_re` though, not `$path`, and it should
not contain any null bytes. I could not reproduce the issue on Windows 7
or 10 with Apache and PHP 7.
Could you put `var_dump( $wrappers_re );` before that line and see what
the result is?
On my install, it's
`(php|file|glob|data|http|ftp|zip|compress.zlib|https|ftps|phar)`.
--
Ticket URL: <https://core.trac.wordpress.org/ticket/39722#comment:3>
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