CVE-2009-0133
Buffer overflow in Microsoft HTML Help Workshop 4.74 and earlier allows context-dependent...
Buffer overflow in Microsoft HTML Help Workshop 4.74 and earlier allows context-dependent attackers to execute arbitrary code via a .hhp file with a long "Index file" field, possibly a related issue to CVE-2006-0564.
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow in Microsoft HTML Help Workshop 4.74 and earlier allows context-dependent attackers to execute arbitrary code via a .hhp file with a long "Index file" field, possibly a related issue to CVE-2006-0564.
- Record
CVE-2009-0133- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Buffer overflow in Microsoft HTML Help Workshop 4.74 and earlier allows context-dependent attackers to execute arbitrary code via a .hhp file with a long "Index file" field, possibly a related issue to CVE-2006-0564.
- Record
CVE-2009-0133- Updated
- 2026-11-02
EUVDEUVD-2009-0142 No score
Buffer overflow in Microsoft HTML Help Workshop 4.74 and earlier allows context-dependent attackers to execute arbitrary code via a .hhp file with a long "Index file" field, possibly a related issue to CVE-2006-0564.
- Record
EUVD-2009-0142- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fpp9-rfqj-mpm6 No score
Buffer overflow in Microsoft HTML Help Workshop 4.74 and earlier allows context-dependent...
Buffer overflow in Microsoft HTML Help Workshop 4.74 and earlier allows context-dependent attackers to execute arbitrary code via a .hhp file with a long "Index file" field, possibly a related issue to CVE-2006-0564.
- Record
GHSA-fpp9-rfqj-mpm6- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft HTML Help Workshop 4.74 - '.hhp' Local Buffer Overflow (1) | 2009-12-05 |
| Exploit-DB | Microsoft HTML Help Workshop - '.hhp' Local Buffer Overflow (1) | 2006-02-06 |
| Exploit-DB | Microsoft HTML Help Workshop - '.hhp' Denial of Service | 2006-02-10 |
| Exploit-DB | Microsoft HTML Help Workshop - '.hhp' Local Buffer Overflow (2) | 2006-02-11 |
| Exploit-DB | Microsoft HTML Help Workshop - '.hhp' Local Buffer Overflow (3) | 2006-02-14 |
| Exploit-DB | Microsoft HTML Help Workshop 4.74 - '.hhp' Index Buffer Overflow (Metasploit) (3) | 2010-09-25 |
| Exploit-DB | Microsoft HTML Workshop 4.74 - Universal Buffer Overflow | 2009-01-12 |
| Metasploit | HTML Help Workshop 4.74 (hhp Project File) Buffer Overflow | 2009-01-17 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-0133 is a high vulnerability (CVSS 10.0) in Microsoft Html Help Workshop, published January 15, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 67.0%, the 99th percentile. No source names a fixed version.