What is the severity of CVE-2005-4840?

CVE-2005-4840 has a severity rating of medium due to its potential to cause a denial of service.

How do I fix CVE-2005-4840?

To mitigate CVE-2005-4840, users should avoid using Internet Explorer 6 and upgrade to a more secure browser.

Which software is affected by CVE-2005-4840?

CVE-2005-4840 affects the Outlook Express Address Book control when used with Internet Explorer 6.

Can CVE-2005-4840 be exploited remotely?

Yes, CVE-2005-4840 can be exploited remotely by attackers to trigger a browser crash.

What type of attack does CVE-2005-4840 facilitate?

CVE-2005-4840 facilitates a denial of service attack through a NULL dereference in the OutlookExpress.AddressBook COM object.

Vulnerability/
CVE-2005-4840

medium

4.3

CWE

119

31/12/2005

7/6/2007

8/8/2024

CVE-2005-4840: Buffer Overflow

First published: Sat Dec 31 2005(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Microsoft Outlook Express
Internet Explorer	=6

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2005-4840?
CVE-2005-4840 has a severity rating of medium due to its potential to cause a denial of service.
How do I fix CVE-2005-4840?
To mitigate CVE-2005-4840, users should avoid using Internet Explorer 6 and upgrade to a more secure browser.
Which software is affected by CVE-2005-4840?
CVE-2005-4840 affects the Outlook Express Address Book control when used with Internet Explorer 6.
Can CVE-2005-4840 be exploited remotely?
Yes, CVE-2005-4840 can be exploited remotely by attackers to trigger a browser crash.
What type of attack does CVE-2005-4840 facilitate?
CVE-2005-4840 facilitates a denial of service attack through a NULL dereference in the OutlookExpress.AddressBook COM object.

collector/nvd-historical
agent/type
agent/first-publish-date
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/references
agent/author
agent/weakness
agent/severity
agent/event
agent/description
agent/source
agent/tags
agent/softwarecombine
collector/nvd-index
agent/software-canonical-lookup-request
vendor/microsoft
canonical/microsoft outlook express
canonical/internet explorer
version/internet explorer/6

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Frequently Asked Questions

What is the severity of CVE-2005-4840?
CVE-2005-4840 has a severity rating of medium due to its potential to cause a denial of service.
How do I fix CVE-2005-4840?
To mitigate CVE-2005-4840, users should avoid using Internet Explorer 6 and upgrade to a more secure browser.
Which software is affected by CVE-2005-4840?
CVE-2005-4840 affects the Outlook Express Address Book control when used with Internet Explorer 6.
Can CVE-2005-4840 be exploited remotely?
Yes, CVE-2005-4840 can be exploited remotely by attackers to trigger a browser crash.
What type of attack does CVE-2005-4840 facilitate?
CVE-2005-4840 facilitates a denial of service attack through a NULL dereference in the OutlookExpress.AddressBook COM object.