[pmmail-list] Crash due to quoted-printable subject

[Tim Roberts]

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Today, my rock-solid PMMail/Windows 2.20.2520 crashed immediately upon opening 
with a "Visual C++ Run-time Library Exception".  After much frustration and a 
session with a debugger, I discovered that the crash was caused when trying to 
parse an e-mail with a long subject line with quoted-printable encoding.  The 
subject line is about 300 characters long, and starts out:

Subject: =?gb2312?q?=C8=ED=C3=C5=C1=B1=A3=AC=B8=DF=CB=D9=BE=ED=C3=C5=A3=AC=...

The error is an "uncaught C++ exception".  One possible guess is that the 
header processor stopped reading after the first 256 characters, making the 
string unparsable.

I have attached a copy of the offending message.  Note that I had to change the 
message extension before attaching it; PMMail even crashed when I tried to 
attach the message to this mail with the original .MSG extension.  (Not too 
surprising; PMMail tries to parse .MSG attachments to extract the subject line 
for the attachment box.)

--
- Tim Roberts, timr@probo.com
  Providenza & Boekelheide, Inc.


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