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Vulnerability record · CVE-2009-1348 · published 30 April 2009

CVE-2009-1348: Mcafee active virus defense improper input validation vulnerability

MMcafee · Active Virus Defense

The AV engine before DAT 5600 in McAfee VirusScan, Total Protection, Internet Security, SecurityShield for Microsoft ISA Server, Security for Microsoft Sharepoint, Security for Email Servers, Email Gateway, and Active Virus Defense allows remote attackers to bypass virus detection via (1) an invalid Headflags field in a malformed RAR archive, (2) an invalid Packsize field in a malformed RAR archive, or (3) an invalid Filelength field in a malformed ZIP archive.

7.6 CVSS 2.0 High EPSS 2.8% · top 13.9% CWE-20 · Improper input validation
7.6CVSS 2.0 base score
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

The AV engine before DAT 5600 in McAfee VirusScan, Total Protection, Internet Security, SecurityShield for Microsoft ISA Server, Security for Microsoft Sharepoint, Security for Email Servers, Email Gateway, and Active Virus Defense allows remote attackers to bypass virus detection via (1) an invalid Headflags field in a malformed RAR archive, (2) an invalid Packsize field in a malformed RAR archive, or (3) an invalid Filelength field in a malformed ZIP archive.

AV:N/AC:H/Au:N/C:C/I:C/A:C

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://blog.zoller.lu/2009/04/mcafee-multiple-bypassesevasions-ziprar.html
http://secunia.com/advisories/34949 Vendor Advisory
http://www.securityfocus.com/archive/1/503173/100/0/threaded
http://www.securityfocus.com/bid/34780
https://kc.mcafee.com/corporate/index?page=content&id=SB10001&actp=LIST_RECENT PatchVendor Advisory
http://blog.zoller.lu/2009/04/mcafee-multiple-bypassesevasions-ziprar.html
http://secunia.com/advisories/34949 Vendor Advisory
http://www.securityfocus.com/archive/1/503173/100/0/threaded
http://www.securityfocus.com/bid/34780
https://kc.mcafee.com/corporate/index?page=content&id=SB10001&actp=LIST_RECENT PatchVendor Advisory

Track CVE-2009-1348 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-1348), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.