GNU bug report logs - #10536
23.3; Make base64-decode more fault tolerant

Previous Next

Package: emacs;

Reported by: Wolfram Gloger <wmglo <at> dent.med.uni-muenchen.de>

Date: Tue, 17 Jan 2012 17:09:02 UTC

Severity: minor

Tags: patch, wontfix

Found in version 23.3

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

Full log

Message #15 received at 10536 <at> debbugs.gnu.org (full text, mbox):

From: Noam Postavsky <npostavs <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 10536 <at> debbugs.gnu.org, Wolfram Gloger <wmglo <at> dent.med.uni-muenchen.de>
Subject: Re: bug#10536: 23.3; Make base64-decode more fault tolerant
Date: Tue, 17 Apr 2018 22:25:06 -0400

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> Wolfram Gloger <wmglo <at> dent.med.uni-muenchen.de> writes:

>> there was a missing padding character, i.e. the last quartet was
>> "xy=" rather than the proper "xy==".
>>
>> I would suggest that base64-decode should tolerate this, like with
>> the appended patch.

>>        if (c == '=')
>>  	{
>> -	  READ_QUADRUPLET_BYTE (-1);
>> +	  /* Be tolerant against missing final padding '='.  */
>> +	  READ_QUADRUPLET_BYTE (e-to);

> What do the rest of you people think?  (I think I'm slightly for
> applying the patch.  "Be liberal in what you receive" and all that.)

Makes sense to me.
This bug report was last modified 6 years and 22 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.