CVE-2005-4840

medium

Description

The Outlook Express Address Book control, when using Internet Explorer 6, allows remote attackers to cause a denial of service (NULL dereference and browser crash) by creating the OutlookExpress.AddressBook COM object, which is not intended for use within Internet Explorer.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/34755

http://www.securityfocus.com/archive/1/470694/100/0/threaded

http://www.securityfocus.com/archive/1/391803

http://www.osvdb.org/26836

http://browserfun.blogspot.com/2006/07/mobb-3-outlookexpressaddressbook_02.html

Details

Source: Mitre, NVD

Published: 2005-12-31

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.11615