VULNERABILITY INTELLIGENCE
CVE-2005-4840
CVSS score4.3 MEDIUM
EPSS probability11.52%
CISA KEVNot currently listed
Published2005-12-31
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:P
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.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer