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Category:   Application (E-mail Client)  >   Fetchmail Vendors:
Fetchmail Can Be Crashed By Remote Users By Sending a Headerless Message
SecurityTracker Alert ID:  1015383
SecurityTracker URL:
CVE Reference:   CVE-2005-4348   (Links to External Site)
Date:  Dec 20 2005
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s):, 6.3.0
Description:   A vulnerability was reported in Fetchmail. A remote server can cause Fetchmail to crash.

When Fetchmail is configured for multidrop mode, a remote server can send an e-mail message without headers to cause Fetchmail to crash.

The vendor credits Daniel Drake of Gentoo with reporting this vulnerability.

Impact:   A remote server can cause fetchmail to crash when downloading a message.
Solution:   The vendor has released fixed versions (, 6.3.1), available at:

Vendor URL: (Links to External Site)
Cause:   Exception handling error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 31 2007 (Red Hat Issues Fix) Fetchmail Can Be Crashed By Remote Users By Sending a Headerless Message
Red Hat has released a fix for Red Hat Enterprise Linux 2.1, 3, and 4.

 Source Message Contents

[Original Message Not Available for Viewing]

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