CVE-2003-0469

Windows HTML Converter - Buffer Overflow via HR Tag Align Attribute

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2003-0469. PoCs published by Digital Scream.

AI-analyzed exploit summary This exploit leverages a buffer overflow vulnerability in the HTML converter of Microsoft Windows via an excessively large 'Align' attribute in the 'HR' tag. It executes arbitrary code by overwriting internal buffers when processed by applications like Internet Explorer.

Description

Buffer overflow in the HTML Converter (HTML32.cnv) on various Windows operating systems allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via cut-and-paste operation, as demonstrated in Internet Explorer 5.0 using a long "align" argument in an HR tag.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Digital Scream · textremotewindows
https://www.exploit-db.com/exploits/22824

This exploit leverages a buffer overflow vulnerability in the HTML converter of Microsoft Windows via an excessively large 'Align' attribute in the 'HR' tag. It executes arbitrary code by overwriting internal buffers when processed by applications like Internet Explorer.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Windows (HTML Converter in Internet Explorer)
No auth needed
Prerequisites: Vulnerable version of Microsoft Windows with Internet Explorer
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Mailing List mailing-list x_refsource_fulldisc
http://lists.grok.org.uk/pipermail/full-disclosure/2003-June/006067.html
Mailing List mailing-list x_refsource_fulldisc
http://lists.grok.org.uk/pipermail/full-disclosure/2003-July/006155.html
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=105639925122961&w=2
US Government Resource third-party-advisory x_refsource_cert
http://www.cert.org/advisories/CA-2003-14.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/8016
US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/823260

Scores

EPSS 0.7158
EPSS Percentile 98.8%

Details

Status published
Products (8)
microsoft/windows_2000
microsoft/windows_2003_server 64-bit
microsoft/windows_2003_server r2
microsoft/windows_98
microsoft/windows_98se
microsoft/windows_me
microsoft/windows_nt 4.0 (2 CPE variants)
microsoft/windows_xp (2 CPE variants)
Published Aug 07, 2003
Tracked Since Feb 18, 2026