[imp] Reply exhausts memory limit when parsing the attached mail

[Jens Pranaitis]

Hello list,
a user contacted me today, because the compose window wouldn't load when 
replying to a mail. The mail had a lot of goofy HTML in it, but even 
after stripping the entire message body Horde still chokes on it. To me 
the "References" header looks like the culprit, but I don't know enough 
about the Horde internals to verify. The error message in my apache log 
file is:

[Tue Jan 29 14:31:54 2013] [error] [client x.x.x.x] PHP Fatal error: 
Allowed memory size of 1073741824 bytes exhausted (tried to allocate 32 
bytes) in /usr/share/php/Horde/Mail/Rfc822.php on line 795, referer: 
https://webmail.phil-fak.uni-duesseldorf.de/horde/imp/dynamic.php?page=mailbox

I'm running Horde 5.0.3 with IMP 6.0.3. Any ideas what could be causing 
this?

Kind regards,
Jens Pranaitis

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Message-ID: <5107CDE7.20109 at phil.hhu.de>
Date: Tue, 29 Jan 2013 14:25:58 +0100
From: Jens Pranaitis <pranaitis at phil.hhu.de>
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To: Jens Pranaitis <pranaitis at phil.hhu.de>
Subject: Antwort: Re: Antwort: AW: Antwort: AW: Treffen
References: <000301cdfbae$9dbe5430$d93afc90$@W at geheim.de> 
<20130126164239.Horde.gPUiLgeEKADbHQ7k-3ns8A1 at geheim.de> 
<001001cdfc8c$66d66500$34832f00$@W at geheim.de> 
<OF2BC6A091.995F11C5-ONC1257B01.003509D3-C1257B01.0035D842 at geheim.de> 
<001d01cdfd76$9b663f30$d232bd90$@W at geheim.de> 
<OF078997F1.C23273D4-ONC1257B01.005C3FD8-C1257B01.005CC068 at geheim.de> 
<D8289FC6-DFDE-473F-82AB-727C36AD7C34 at geheim.de>
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