Buffer overflow in the _chm_decompress_block function in CHM lib (chmlib) before 0.37, as used in products such as KchmViewer, allows attackers to execute arbitrary code, a different vulnerability than CVE-2005-2930
Published Oct 27, 2005
5.1
MEDIUMCVSS 2.0
EPSS 3.78%
Description
Buffer overflow in the _chm_decompress_block function in CHM lib (chmlib) before 0.37, as used in products such as KchmViewer, allows attackers to execute arbitrary code, a different vulnerability than CVE-2005-2930.
Affected products
No data.
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:H/Au:N/C:P/I:P/A:P
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.78% (0.03778) | 89.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.78% (0.03778) | 88.51th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.96% (0.02959) | 85.26th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.51% (0.04512) | 81.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.96% (0.02959) | 85.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.31% (0.02311) | 90.11th | v3 (v2023.03.01) |
| May 9, 2023 | 2.93% (0.02926) | 89.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.39% (0.02387) | 88.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.42% (0.04421) | 88.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.42% (0.04421) | 87.03th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.42% (0.04421) | 70.83th | v2 (v2022.01.01) |
No CWE recorded.
References (13)
- http://archives.neohapsis.com/archives/fulldisclosure/2005-10/0536.html mailing-listx_refsource_FULLDISC
- http://morte.jedrea.com/~jedwin/projects/chmlib/ x_refsource_CONFIRMPatch
- http://secunia.com/advisories/17325 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/17480 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/17775 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/17776 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.gentoo.org/security/en/glsa/glsa-200511-23.xml vendor-advisoryx_refsource_GENTOO
- http://www.novell.com/linux/security/advisories/2005_25_sr.html vendor-advisoryx_refsource_SUSE
- http://www.osvdb.org/20335 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/15211 vdb-entryx_refsource_BIDPatch
- http://www.sven-tantau.de/public_files/chmlib/chmlib_20051126.txt x_refsource_MISCPatchVendor Advisory
- http://www.vupen.com/english/advisories/2005/2207 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/22885 vdb-entryx_refsource_XF
Change history (0)
No recorded changes yet.