CVE-2009-2655

Microsoft Internet Explorer <8 - DoS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-2655. PoCs published by Hong10.

AI-analyzed exploit summary This exploit triggers a Unicode parsing error in MS Internet Explorer 7/8 via the `findText` method, causing a crash due to improper memory handling. The PoC uses a crafted Unicode string to exploit a vulnerability in mshtml.dll.

Description

mshtml.dll in Microsoft Internet Explorer 7 and 8 on Windows XP SP3 allows remote attackers to cause a denial of service (application crash) by calling the JavaScript findText method with a crafted Unicode string in the first argument, and only one additional argument, as demonstrated by a second argument of -1.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Hong10 · htmldoswindows
https://www.exploit-db.com/exploits/9253

This exploit triggers a Unicode parsing error in MS Internet Explorer 7/8 via the `findText` method, causing a crash due to improper memory handling. The PoC uses a crafted Unicode string to exploit a vulnerability in mshtml.dll.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Internet Explorer 7/8
No auth needed
Prerequisites: Victim must visit a malicious webpage and interact with the exploit button
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/52249
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12700
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/35799
Exploit, Third Party Advisory exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/9253

Scores

EPSS 0.2256
EPSS Percentile 97.4%

Details

CWE
CWE-20
Status published
Products (2)
microsoft/internet_explorer 7
microsoft/internet_explorer 8
Published Aug 03, 2009
Tracked Since Feb 18, 2026