Vulnerability Report

CVE-2008-3373

Title: Grisoft Avg Antivirus Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2008-3373.

CWE Category CWE-189

Published Date Jul 30, 2008

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

2.60%

Vulnerability Summary

CVE-2008-3373: 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.

Impacted Vendors

grisoft 1

avg 1

avast 1

Reference Links

http://secunia.com/advisories/31290 http://www.grisoft.com/ww.94247 http://www.nruns.com/advisories/%5Bn.runs-SA-2008%20004%5D%20-%20AVG%20Antivirus%20UPX%20parsing%20Divide%20by%20Zero%20Advisory.txt http://www.securityfocus.com/archive/1/494867/100/0/threaded http://www.securityfocus.com/bid/30417 http://www.securitytracker.com/id?1020570 http://www.vupen.com/english/advisories/2008/2225/references https://exchange.xforce.ibmcloud.com/vulnerabilities/44057 http://secunia.com/advisories/31290 http://www.grisoft.com/ww.94247 http://www.nruns.com/advisories/%5Bn.runs-SA-2008%20004%5D%20-%20AVG%20Antivirus%20UPX%20parsing%20Divide%20by%20Zero%20Advisory.txt http://www.securityfocus.com/archive/1/494867/100/0/threaded http://www.securityfocus.com/bid/30417 http://www.securitytracker.com/id?1020570 http://www.vupen.com/english/advisories/2008/2225/references https://exchange.xforce.ibmcloud.com/vulnerabilities/44057

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2008-3373 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

July 30, 2008 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.