The files parsing engine in Grisoft AVG Anti-Virus before 8.0.156 allows remote attackers to cause a denial of service (engine crash) via a crafted UPX compressed file, which triggers a divide-by-zero error
Published Jul 30, 2008
5.0
MEDIUMCVSS 2.0
EPSS 2.60%
Description
The files parsing engine in Grisoft AVG Anti-Virus before 8.0.156 allows remote attackers to cause a denial of service (engine crash) via a crafted UPX compressed file, which triggers a divide-by-zero error.
Affected products
No data.
- 7.1
- 7.5
- 8.0
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:N/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 | 2.60% (0.02602) | 84.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.60% (0.02602) | 83.28th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.17% (0.02175) | 83.18th | v4 (v2025.03.14) |
| Dec 17, 2024 | 6.12% (0.06120) | 93.46th | v3 (v2023.03.01) |
| Dec 12, 2024 | 4.55% (0.04551) | 92.81th | v3 (v2023.03.01) |
| Nov 27, 2023 | 4.22% (0.04222) | 91.30th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.92% (0.03922) | 90.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (8)
- http://secunia.com/advisories/31290 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.grisoft.com/ww.94247 x_refsource_CONFIRM
- http://www.nruns.com/advisories/%5Bn.runs-SA-2008%20004%5D%20-%20AVG%20Antivirus%20UPX%20parsing%20Divide%20by%20Zero%20Advisory.txt x_refsource_MISC
- http://www.securityfocus.com/archive/1/494867/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/30417 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1020570 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2008/2225/references vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44057 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/31290 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.grisoft.com/ww.94247 | x_refsource_CONFIRM | |
| http://www.nruns.com/advisories/%5Bn.runs-SA-2008%20004%5D%20-%20AVG%20Antivirus%20UPX%20parsing%20Divide%20by%20Zero%20Advisory.txt | x_refsource_MISC | |
| http://www.securityfocus.com/archive/1/494867/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/30417 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1020570 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2008/2225/references | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/44057 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.