CVE-2009-2433

Microsoft Internet Explorer - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-2433. PoCs published by Sberry.

AI-analyzed exploit summary This exploit targets a stack buffer overflow in Internet Explorer's AddFavorite function by passing an overly long string, leading to a denial-of-service condition. The PoC uses JavaScript to generate a large buffer and trigger the vulnerability when the user clicks the link.

Description

Stack-based buffer overflow in the AddFavorite method in Microsoft Internet Explorer allows remote attackers to cause a denial of service (application crash) and possibly have unspecified other impact via a long URL in the first argument.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Sberry · htmldoswindows
https://www.exploit-db.com/exploits/9100

This exploit targets a stack buffer overflow in Internet Explorer's AddFavorite function by passing an overly long string, leading to a denial-of-service condition. The PoC uses JavaScript to generate a large buffer and trigger the vulnerability when the user clicks the link.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Internet Explorer (versions affected by CVE-2009-2433)
No auth needed
Prerequisites: User interaction (clicking the link) · Internet Explorer with vulnerable AddFavorite implementation
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12829
Exploit, Third Party Advisory exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/9100
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/35620

Scores

EPSS 0.1894
EPSS Percentile 96.9%

Details

CWE
CWE-119
Status published
Products (9)
microsoft/ie 8.0b
microsoft/internet_explorer 7
microsoft/internet_explorer 7.0 (5 CPE variants)
microsoft/internet_explorer 7.0.5730 unknown
microsoft/internet_explorer 7.0.5730.11
microsoft/internet_explorer 7.00.5730.1100
microsoft/internet_explorer 7.00.6000.16386
microsoft/internet_explorer 7.00.6000.16441
microsoft/internet_explorer 8.0.6001 (2 CPE variants)
Published Jul 10, 2009
Tracked Since Feb 18, 2026