National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2006-5974 Detail


fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions.

Source:  MITRE      Last Modified:  12/31/2006

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.8 HIGH
(AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (01/11/2007)

Not vulnerable. This issue does not affect the versions of fetchmail distributed with Red Hat Enterprise Linux 2.1, 3, or 4.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name External Source FEDORA FEDORA-2007-041 External Source CONFIRM External Source GENTOO GLSA-200701-13 External Source SECTRACK 1017479 External Source SLACKWARE SSA:2007-024-01 External Source SUSE SUSE-SR:2007:004 External Source OPENPKG OpenPKG-SA-2007.004 External Source BUGTRAQ 20070105 fetchmail security announcement 2006-03 (CVE-2006-5974) Patch External Source BID 21902 External Source TRUSTIX 2007-0007 External Source VUPEN ADV-2007-0087 External Source VUPEN ADV-2007-0088

Technical Details

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