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Vulnerability record · CVE-2008-5050 · published 13 November 2008

CVE-2008-5050: Clam anti-virus clamav memory buffer overflow vulnerability

CClam Anti Virus · Clamav

Off-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 cause a denial of service (crash) or possibly execute arbitrary code via a crafted VBA project file, which triggers a heap-based buffer overflow.

9.3 CVSS 2.0 High EPSS 8.3% · top 5.3% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
8.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
50References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Off-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 cause a denial of service (crash) or possibly execute arbitrary code via a crafted VBA project file, which triggers a heap-based buffer overflow.

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

Affected products

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

References

LinkTags
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
http://lists.grok.org.uk/pipermail/full-disclosure/2008-November/065530.html Exploit
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00002.html
http://secunia.com/advisories/32663 Vendor Advisory
http://secunia.com/advisories/32699
http://secunia.com/advisories/32765
http://secunia.com/advisories/32872
http://secunia.com/advisories/33016
http://secunia.com/advisories/33317
http://secunia.com/advisories/33937
http://security.gentoo.org/glsa/glsa-200812-21.xml
http://securityreason.com/securityalert/4579
http://sourceforge.net/project/shownotes.php?release_id=637952&group_id=86638
http://support.apple.com/kb/HT3438
http://www.debian.org/security/2008/dsa-1680
http://www.mandriva.com/security/advisories?name=MDVSA-2008:229
http://www.securityfocus.com/archive/1/498169/100/0/threaded
http://www.securityfocus.com/bid/32207 Patch
http://www.securitytracker.com/id?1021159
http://www.ubuntu.com/usn/usn-672-1
http://www.vupen.com/english/advisories/2008/3085
http://www.vupen.com/english/advisories/2009/0422
https://exchange.xforce.ibmcloud.com/vulnerabilities/46462
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00332.html
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00348.html
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
http://lists.grok.org.uk/pipermail/full-disclosure/2008-November/065530.html Exploit
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00002.html
http://secunia.com/advisories/32663 Vendor Advisory
http://secunia.com/advisories/32699
http://secunia.com/advisories/32765
http://secunia.com/advisories/32872
http://secunia.com/advisories/33016
http://secunia.com/advisories/33317
http://secunia.com/advisories/33937
http://security.gentoo.org/glsa/glsa-200812-21.xml
http://securityreason.com/securityalert/4579
http://sourceforge.net/project/shownotes.php?release_id=637952&group_id=86638
http://support.apple.com/kb/HT3438
http://www.debian.org/security/2008/dsa-1680

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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%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%7.6CVE-2007-4560ClamAV clamav-milter black hole mode command injectionclamav-milter in ClamAV before 0.91.2, when run in black hole mode, passes the sendmail recipient field into a popen call without sanitizing shell me…EPSS 84%analysed

Source: NIST National Vulnerability Database (record CVE-2008-5050), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.