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Vulnerability record · CVE-2007-6335 · published 20 December 2007

CVE-2007-6335: Clam anti-virus clamav vulnerability

CClam Anti Virus · Clamav

Integer overflow in libclamav in ClamAV before 0.92 allows remote attackers to execute arbitrary code via a crafted MEW packed PE file, which triggers a heap-based buffer overflow.

7.5 CVSS 2.0 High EPSS 18% · top 2.9% CWE-189 · CWE-189
7.5CVSS 2.0 base score
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
46References
16 Jun 2026Last modified by NVD

Description

Integer overflow in libclamav in ClamAV before 0.92 allows remote attackers to execute arbitrary code via a crafted MEW packed PE file, which triggers a heap-based buffer overflow.

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://docs.info.apple.com/article.html?artnum=307562
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=634
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00002.html
http://secunia.com/advisories/28117 Vendor Advisory
http://secunia.com/advisories/28153
http://secunia.com/advisories/28176
http://secunia.com/advisories/28278
http://secunia.com/advisories/28412
http://secunia.com/advisories/28421
http://secunia.com/advisories/28587
http://secunia.com/advisories/29420
http://security.gentoo.org/glsa/glsa-200712-20.xml
http://www.debian.org/security/2007/dsa-1435
http://www.mandriva.com/security/advisories?name=MDVSA-2008:003
http://www.securityfocus.com/bid/26927
http://www.securitytracker.com/id?1019112
http://www.vupen.com/english/advisories/2007/4253
http://www.vupen.com/english/advisories/2008/0924/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/39119
https://www.exploit-db.com/exploits/4862
https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00644.html
https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00740.html
http://docs.info.apple.com/article.html?artnum=307562
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=634
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00002.html
http://secunia.com/advisories/28117 Vendor Advisory
http://secunia.com/advisories/28153
http://secunia.com/advisories/28176
http://secunia.com/advisories/28278
http://secunia.com/advisories/28412
http://secunia.com/advisories/28421
http://secunia.com/advisories/28587
http://secunia.com/advisories/29420
http://security.gentoo.org/glsa/glsa-200712-20.xml
http://www.debian.org/security/2007/dsa-1435
http://www.mandriva.com/security/advisories?name=MDVSA-2008:003
http://www.securityfocus.com/bid/26927
http://www.securitytracker.com/id?1019112

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Related vulnerabilities

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

10.0CVE-2008-1100Clam anti-virus clamav memory buffer overflow vulnerabilityBuffer overflow in the cli_scanpe function in libclamav (libclamav/pe.c) for ClamAV 0.92 and 0.92.1 allows remote attackers to execute arbitrary code…EPSS 11%10.0CVE-2008-0318Clam anti-virus clamav vulnerabilityInteger overflow in the cli_scanpe function in libclamav in ClamAV before 0.92.1, as used in clamd, allows remote attackers to cause a denial of serv…EPSS 7.9%10.0CVE-2007-6337Clam anti-virus clamav vulnerabilityUnspecified vulnerability in the bzip2 decompression algorithm in nsis/bzlib_private.h in ClamAV before 0.92 has unknown impact and remote attack vec…EPSS 2.8%10.0CVE-2007-3023Clam anti-virus clamav vulnerabilityunsp.c in ClamAV before 0.90.3 and 0.91 before 0.91rc1 does not properly calculate the end of a certain buffer, with unknown impact and remote attack…EPSS 2.2%10.0CVE-2005-3587Clam anti-virus clamav vulnerabilityImproper boundary checks in petite.c in Clam AntiVirus (ClamAV) before 0.87.1 allows attackers to perform unknown attacks via unknown vectors.EPSS 2.2%9.3CVE-2008-5050Clam anti-virus clamav memory buffer overflow vulnerabilityOff-by-one error in the get_unicode_name function (libclamav/vba_extract.c) in Clam Anti-Virus (ClamAV) before 0.94.1 allows remote attackers to caus…EPSS 8.3%7.8CVE-2007-2029Clam anti-virus clamav vulnerabilityFile descriptor leak in the PDF handler in Clam AntiVirus (ClamAV) allows remote attackers to cause a denial of service via a crafted PDF file.EPSS 3.0%7.8CVE-2005-3239Clam anti-virus clamav vulnerabilityThe OLE2 unpacker in clamd in Clam AntiVirus (ClamAV) 0.87-1 allows remote attackers to cause a denial of service (segmentation fault) via a DOC file…EPSS 4.5%

Source: NIST National Vulnerability Database (record CVE-2007-6335), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.