---
title: "CVE-2008-4255: Heap-based buffer overflow in mscomct2.ocx… | CubePath"
description: "Heap-based buffer overflow in mscomct2.ocx (aka Windows Common ActiveX control or Microsoft Animation ActiveX control) in Microsoft Visual Basic 6.0…"
language: en
source: https://cubepath.com/security/cve/CVE-2008-4255
---

# CVE-2008-4255: Heap-based buffer overflow in mscomct2.ocx… | CubePath

## Description

Heap-based buffer overflow in mscomct2.ocx (aka Windows Common ActiveX control or Microsoft Animation ActiveX control) in Microsoft Visual Basic 6.0, Visual Studio .NET 2002 SP1 and 2003 SP1, Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2, and Office Project 2003 SP3 and 2007 Gold and SP1 allows remote attackers to execute arbitrary code via an AVI file with a crafted stream length, which triggers an "allocation error" and memory corruption, aka "Windows Common AVI Parsing Overflow Vulnerability."

Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2008-4255)

## Key data

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.53703 (53.7% probability)

Percentile

99.0%

Scores of

Nov 10, 2026

Model

v2026.06.15

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [32613](http://www.securityfocus.com/bid/32613)  (securityfocus.com) vdb-entry
- [ADV-2008-3382](http://www.vupen.com/english/advisories/2008/3382)  (vupen.com) vdb-entry
- [zerodayinitiative.com/advisories/ZDI-08-083](http://www.zerodayinitiative.com/advisories/ZDI-08-083/)
- [zerodayinitiative.com/advisories/ZDI-08-083](http://www.zerodayinitiative.com/advisories/ZDI-08-083)
- [1021369](http://www.securitytracker.com/id?1021369)  (securitytracker.com) vdb-entry
- [MS08-070](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-070)  (docs.microsoft.com) vendor-advisory
- [oval:org.mitre.oval:def:6032](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6032)  (oval.cisecurity.org) vdb-entry signature
- [support.avaya.com/elmodocs2/security/ASA-2008-473.htm](http://support.avaya.com/elmodocs2/security/ASA-2008-473.htm)
- [TA08-344A](http://www.us-cert.gov/cas/techalerts/TA08-344A.html)  (us-cert.gov) third-party-advisory
- [20081209 ZDI-08-083: Microsoft Animation ActiveX Control Malformed AVI Parsing Code Execution Vulnerability](http://www.securityfocus.com/archive/1/499061/100/0/threaded)  (securityfocus.com) mailing-list
- [downloads.securityfocus.com/vulnerabilities/exploits/32613.…](http://downloads.securityfocus.com/vulnerabilities/exploits/32613.pl)

## Timeline

1. ID reserved Sep 25, 2008
2. Record published Dec 10, 2008
3. Record last updated Aug 7, 2024

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:58 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)