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Vulnerability record · CVE-2007-3951 · published 24 July 2007

CVE-2007-3951: Norman virus control vulnerability

Norman · Norman Virus Control

Multiple buffer overflows in Norman Antivirus 5.90 allow remote attackers to execute arbitrary code via a crafted (1) ACE or (2) LZH file, resulting from an "integer cast around."

7.5 CVSS 2.0 High EPSS 9.3% · top 4.8%
7.5CVSS 2.0 base score
9.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
28References
16 Jun 2026Last modified by NVD

Description

Multiple buffer overflows in Norman Antivirus 5.90 allow remote attackers to execute arbitrary code via a crafted (1) ACE or (2) LZH file, resulting from an "integer cast around."

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

Affected products

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

References

LinkTags
http://osvdb.org/37982
http://osvdb.org/37983
http://secunia.com/advisories/26178
http://securityreason.com/securityalert/2912
http://www.nruns.com/security_advisory_Norman_all_ace_buffer_overflow.php
http://www.nruns.com/security_advisory_norman_antivirus_lzh_buffer_overflow.php
http://www.securityfocus.com/archive/1/474423/100/0/threaded
http://www.securityfocus.com/archive/1/474432/100/0/threaded
http://www.securityfocus.com/bid/25003
http://www.securityfocus.com/bid/25015
http://www.securitytracker.com/id?1018438
http://www.vupen.com/english/advisories/2007/2619
https://exchange.xforce.ibmcloud.com/vulnerabilities/35559
https://exchange.xforce.ibmcloud.com/vulnerabilities/35561
http://osvdb.org/37982
http://osvdb.org/37983
http://secunia.com/advisories/26178
http://securityreason.com/securityalert/2912
http://www.nruns.com/security_advisory_Norman_all_ace_buffer_overflow.php
http://www.nruns.com/security_advisory_norman_antivirus_lzh_buffer_overflow.php
http://www.securityfocus.com/archive/1/474423/100/0/threaded
http://www.securityfocus.com/archive/1/474432/100/0/threaded
http://www.securityfocus.com/bid/25003
http://www.securityfocus.com/bid/25015
http://www.securitytracker.com/id?1018438
http://www.vupen.com/english/advisories/2007/2619
https://exchange.xforce.ibmcloud.com/vulnerabilities/35559
https://exchange.xforce.ibmcloud.com/vulnerabilities/35561

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Related vulnerabilities

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

7.2CVE-2007-4648Norman virus control memory buffer overflow vulnerabilityThe nvcoaft51 driver in Norman Virus Control (NVC) 5.82 uses weak permissions (unrestricted write access) for the NvcOa device, which allows local us…EPSS 0.92%5.1CVE-2005-3378Norman virus control vulnerabilityMultiple interpretation error in Norman 5.81 with the 5.83.02 engine allows remote attackers to bypass virus scanning via a file such as BAT, HTML, a…EPSS 2.3%4.3CVE-2007-3953Norman virus control vulnerabilityThe OLE2 parsing in Norman Antivirus before 5.91.02 allows remote attackers to cause a denial of service via a crafted DOC file that triggers a divid…EPSS 4.4%

Source: NIST National Vulnerability Database (record CVE-2007-3951), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.