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Bug #31911 mb_decode_mimeheader is case-sensitive to hex escapes.
Submitted: 2005-02-10 10:32 UTC Modified: 2005-02-21 08:49 UTC
From: jazfresh at hotmail dot com Assigned: moriyoshi (profile)
Status: Closed Package: mbstring related
PHP Version: 5.0.3 OS: Linux Fedora Core
Private report: No CVE-ID: None
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 [2005-02-10 10:32 UTC] jazfresh at hotmail dot com 
Description:
------------
This was reported in the tips section for this function, but I didn't find it in the bug database.

The encoded text uses hex to represent escaped characters (e.g. "=3F" means the '?' character). RFC 2047 says that these hex digits can be either in upper or lower case. However, this function fails to convert them if the hex character is specified in lower case.



Reproduce code:
---------------
echo mb_decode_mimeheader("Works: =?iso-8859-1?q?=3F=3F=3F?=");
echo "\n";
echo mb_decode_mimeheader("Fails: =?iso-8859-1?q?=3f=3f=3f?=");


Expected result:
----------------
Works: ???
Fails: ???


Actual result:
--------------
Works: ???
Fails: =?iso-8859-1?q?=3f=3f=3f?=

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 [2005-02-21 08:49 UTC] moriyoshi@php.net 
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
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