CVE-2006-5974

Summary

CVE	CVE-2006-5974
State	PUBLISHED
Assigner	mitre
Source Priority	CVE Program / NVD first with legacy fallback
Published	2006-12-31 05:00:00 UTC
Updated	2026-04-23 00:35:47 UTC
Description	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.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:C

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector

Network

Access Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

AV:N/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Application	Fetchmail	Fetchmail	6.3.5	All	All	All
Application	Fetchmail	Fetchmail	6.3.6	rc1	All	All
Application	Fetchmail	Fetchmail	6.3.6	rc2	All	All
Application	Fetchmail	Fetchmail	6.3.6	rc3	All	All

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	Na	N/a	affected n/a	Not specified

References

Reference	Source	Link	Tags
Fedora update for fetchmail - Advisories - Secunia	af854a3a-2127-422b-91ae-364da2661108	secunia.com	Vendor Advisory
www.trustix.org/errata/2007/0007	af854a3a-2127-422b-91ae-364da2661108	www.trustix.org
[SECURITY] Fedora Core 5 Update: fetchmail-6.3.6-1.fc5 \| FedoraNEWS.ORG	af854a3a-2127-422b-91ae-364da2661108	fedoranews.org
Security Announcement	af854a3a-2127-422b-91ae-364da2661108	www.novell.com
SecurityFocus	af854a3a-2127-422b-91ae-364da2661108	www.securityfocus.com
Gentoo Linux Documentation -- Fetchmail: Denial of Service and password disclosure	af854a3a-2127-422b-91ae-364da2661108	security.gentoo.org
Fetchmail - Kostenloser Open Source Mail Daemon	af854a3a-2127-422b-91ae-364da2661108	fetchmail.berlios.de
Fetchmail TLS Configuration Security Issue and "MDA" Denial of Service - Advisories - Secunia	af854a3a-2127-422b-91ae-364da2661108	secunia.com	Vendor Advisory
Gentoo update for fetchmail - Advisories - Secunia	af854a3a-2127-422b-91ae-364da2661108	secunia.com	Vendor Advisory
The Slackware Linux Project: Slackware Security Advisories	af854a3a-2127-422b-91ae-364da2661108	slackware.com
Webmail - OVH	af854a3a-2127-422b-91ae-364da2661108	www.vupen.com
Fetchmail MDA Option Message Refusal Bugs Let Remote Users Deny Service - SecurityTracker	af854a3a-2127-422b-91ae-364da2661108	securitytracker.com
Webmail - OVH	af854a3a-2127-422b-91ae-364da2661108	www.vupen.com
Slackware update for fetchmail - Advisories - Secunia	af854a3a-2127-422b-91ae-364da2661108	secunia.com	Vendor Advisory
Trustix Update for Various Packages - Advisories - Secunia	af854a3a-2127-422b-91ae-364da2661108	secunia.com	Vendor Advisory
Fetchmail Remote Denial of Service Vulnerability	af854a3a-2127-422b-91ae-364da2661108	www.securityfocus.com	Patch
osvdb.org/31836	af854a3a-2127-422b-91ae-364da2661108	osvdb.org
OpenPKG Corporation: Security: Security Advisories	af854a3a-2127-422b-91ae-364da2661108	www.openpkg.com
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

Vendor Comments And Credit

Organization	Published	Contributor	Statement
Red Hat	2007-01-11	Mark J Cox	Not vulnerable. This issue does not affect the versions of fetchmail distributed with Red Hat Enterprise Linux 2.1, 3, or 4.

There are currently no legacy QID mappings associated with this CVE.