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Vulnerability record · CVE-2008-5424 · published 11 December 2008

CVE-2008-5424: Microsoft outlook express vulnerability

Microsoft · Outlook Express

The MimeOleClearDirtyTree function in InetComm.dll in Microsoft Outlook Express 6.00.2900.5512 does not properly handle (1) multipart/mixed e-mail messages with many MIME parts and possibly (2) e-mail messages with many "Content-type: message/rfc822;" headers, which allows remote attackers to cause a denial of service (infinite loop) via a large e-mail message, a related issue to CVE-2006-1173.

4.3 CVSS 2.0 Medium EPSS 12% · top 4.0% CWE-399 · CWE-399
4.3CVSS 2.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

The MimeOleClearDirtyTree function in InetComm.dll in Microsoft Outlook Express 6.00.2900.5512 does not properly handle (1) multipart/mixed e-mail messages with many MIME parts and possibly (2) e-mail messages with many "Content-type: message/rfc822;" headers, which allows remote attackers to cause a denial of service (infinite loop) via a large e-mail message, a related issue to CVE-2006-1173.

AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://mime.recurity.com/cgi-bin/twiki/view/Main/AttackIntro Exploit
http://securityreason.com/securityalert/4721
http://www.securityfocus.com/archive/1/499038/100/0/threaded
http://www.securityfocus.com/archive/1/499045/100/0/threaded
http://www.securityfocus.com/bid/32702
http://mime.recurity.com/cgi-bin/twiki/view/Main/AttackIntro Exploit
http://securityreason.com/securityalert/4721
http://www.securityfocus.com/archive/1/499038/100/0/threaded
http://www.securityfocus.com/archive/1/499045/100/0/threaded
http://www.securityfocus.com/bid/32702

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2004-0380Outlook Express MHTML handler domain bypass leads to code executionThe MHTML protocol handler in Microsoft Outlook Express 5.5 SP2 through 6 SP1 fails to enforce domain restrictions, letting remote attackers bypass s…EPSS 63%analysed10.0CVE-1999-0967Microsoft internet explorer vulnerabilityBuffer overflow in the HTML library used by Internet Explorer, Outlook Express, and Windows Explorer via the res: local resource protocol.EPSS 6.9%9.3CVE-2010-3147Microsoft outlook express vulnerabilityUntrusted search path vulnerability in wab.exe 6.00.2900.5512 in Windows Address Book in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, W…EPSS 19%9.3CVE-2010-0816Microsoft outlook express vulnerabilityInteger overflow in inetcomm.dll in Microsoft Outlook Express 5.5 SP2, 6, and 6 SP1; Windows Live Mail on Windows XP SP2 and SP3, Windows Vista SP1 a…EPSS 20%9.3CVE-2007-3897Microsoft Outlook Express and Windows Mail NNTP heap buffer overflowOutlook Express 6 and earlier, plus Windows Mail on Vista, contain a heap-based buffer overflow triggered by long responses from an NNTP news server.…EPSS 55%analysed8.8CVE-2007-4040Microsoft outlook cross-site scripting vulnerabilityArgument injection vulnerability involving Microsoft Outlook and Outlook Express, when certain URIs are registered, allows remote attackers to conduc…EPSS 13%8.8CVE-2003-1378Microsoft outlook permissions and access controls vulnerabilityMicrosoft Outlook Express 6.0 and Outlook 2000, with the security zone set to Internet Zone, allows remote attackers to execute arbitrary programs vi…EPSS 16%7.5CVE-2005-1213Microsoft Outlook Express news reader stack buffer overflow via NNTP LIST responseThe news reader component of Microsoft Outlook Express (MSOE.DLL) contains a stack-based buffer overflow triggered by a long second field in an NNTP …EPSS 74%analysed

Source: NIST National Vulnerability Database (record CVE-2008-5424), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.