Integer underflow in winhlp32.exe in Windows NT, Windows 2000 through SP4, Windows XP through SP2, and Windows 2003 allows remote attackers to execute arbitrary code via a malformed .hlp file, which leads to a heap-based buffer overflow
Published Jan 19, 2005
5.0
MEDIUMCVSS 2.0
EPSS 20.01%
Description
Integer underflow in winhlp32.exe in Windows NT, Windows 2000 through SP4, Windows XP through SP2, and Windows 2003 allows remote attackers to execute arbitrary code via a malformed .hlp file, which leads to a heap-based buffer overflow.
Affected products
No data.
- n/a
- n/a
- n/a
- n/a
- n/a
- enterprise
- enterprise
- enterprise_64-bit
- r2
- r2
- r2
- standard
- standard
- web
- web
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 20.01% (0.20013) | 97.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 20.01% (0.20013) | 97.10th | v5 (v2026.06.15) |
| Dec 28, 2025 | 29.10% (0.29105) | 96.41th | v4 (v2025.03.14) |
| Dec 27, 2025 | 17.28% (0.17279) | 94.85th | v4 (v2025.03.14) |
| Dec 14, 2025 | 29.10% (0.29105) | 96.40th | v4 (v2025.03.14) |
| Mar 30, 2025 | 19.59% (0.19594) | 94.93th | v4 (v2025.03.14) |
| Mar 29, 2025 | 28.38% (0.28384) | 94.45th | v4 (v2025.03.14) |
| Mar 17, 2025 | 19.59% (0.19594) | 94.94th | v4 (v2025.03.14) |
| Dec 12, 2024 | 5.59% (0.05595) | 93.54th | v3 (v2023.03.01) |
| Dec 27, 2023 | 5.59% (0.05595) | 92.51th | v3 (v2023.03.01) |
| May 11, 2023 | 11.16% (0.11160) | 94.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 31.67% (0.31669) | 96.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 34.51% (0.34513) | 97.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 34.51% (0.34513) | 96.70th | v2 (v2022.01.01) |
No CWE recorded.
References (4)
- http://marc.info/?l=bugtraq&m=110383690219440&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/12091 vdb-entryx_refsource_BIDExploit
- http://www.xfocus.net/flashsky/icoExp/ x_refsource_MISC
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18678 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=110383690219440&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/12091 | vdb-entryx_refsource_BIDExploit | |
| http://www.xfocus.net/flashsky/icoExp/ | x_refsource_MISC | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/18678 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.