Stack-based buffer overflow in Dawningsoft PowerCHM 5.7 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via an HTML file with a link to a long URL, as demonstrated by a .rar URL
Published Apr 21, 2009
9.3
HIGHCVSS 2.0
EPSS 5.55%
Description
Stack-based buffer overflow in Dawningsoft PowerCHM 5.7 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via an HTML file with a link to a long URL, as demonstrated by a .rar URL.
Affected products
No data.
- 5.7
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:M/Au:N/C:C/I:C/A:C
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 3, 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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 5.55% (0.05554) | 92.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.55% (0.05554) | 91.81th | v5 (v2026.06.15) |
| Jan 5, 2026 | 23.33% (0.23329) | 95.76th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.63% (0.06633) | 90.29th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.08% (0.10076) | 88.38th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.63% (0.06633) | 90.51th | v4 (v2025.03.14) |
| Dec 17, 2024 | 13.77% (0.13767) | 95.62th | v3 (v2023.03.01) |
| Oct 30, 2024 | 18.04% (0.18037) | 96.30th | v3 (v2023.03.01) |
| Aug 18, 2024 | 20.61% (0.20608) | 96.47th | v3 (v2023.03.01) |
| Jul 15, 2024 | 12.22% (0.12217) | 95.44th | v3 (v2023.03.01) |
| Sep 8, 2023 | 9.01% (0.09013) | 93.85th | v3 (v2023.03.01) |
| Jul 25, 2023 | 9.48% (0.09481) | 93.92th | v3 (v2023.03.01) |
| Mar 10, 2023 | 10.38% (0.10375) | 94.03th | v3 (v2023.03.01) |
| Mar 7, 2023 | 19.47% (0.19473) | 95.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.01% (0.06006) | 90.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.01% (0.06006) | 89.68th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.01% (0.06006) | 77.53th | v2 (v2022.01.01) |
References (3)
- http://www.securityfocus.com/bid/34517 vdb-entryx_refsource_BIDExploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49882 vdb-entryx_refsource_XF
- https://www.exploit-db.com/exploits/8434 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/34517 | vdb-entryx_refsource_BIDExploit | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/49882 | vdb-entryx_refsource_XF | |
| https://www.exploit-db.com/exploits/8434 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.