CVE-2007-6335

Integer overflow in libclamav in ClamAV before 0.92 allows remote attackers to execute arbitrary...

7.5 HighPublic exploitFix available

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.

Exploit likelihood

18.4%Up 6.1 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

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.

Record: CVE-2007-6335
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-189
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2007-6335
Updated: 2026-11-02

EUVDEUVD-2007-6302 No score

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.

Record: EUVD-2007-6302
Updated: 2026-11-03

GitHub AdvisoriesGHSA-7p49-jrwj-cxrj No score

Integer overflow in libclamav in ClamAV before 0.92 allows remote attackers to execute arbitrary...

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.

Record: GHSA-7p49-jrwj-cxrj
Updated: 2026-11-02

OSV No score

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.

Record: CVE-2007-6335
Updated: 2026-11-02

OSVDEBIAN-CVE-2007-6335 No score

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.

Record: DEBIAN-CVE-2007-6335
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10685-1 No score

clamav-0.103.3-1.4 on GA media

These are all security issues fixed in the clamav-0.103.3-1.4 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10685-1
Updated: 2026-11-02

Affected products

clam anti-virus clamav

Affected packages

Affected packages
Package	Affected	Fixed
`clamav` Debian:12	before 0.92~dfsg-1~volatile2	0.92~dfsg-1~volatile2
`clamav` Debian:13	before 0.92~dfsg-1~volatile2	0.92~dfsg-1~volatile2
`clamav` Debian:14	before 0.92~dfsg-1~volatile2	0.92~dfsg-1~volatile2
`clamav` Debian:4.0 From an advisory covering 2 CVEs	before 0.90.1-3etch8, plus listed versions 0.90.1-20.90.1-3etch10.90.1-3etch20.90.1-3etch30.90.1-3etch40.90.1-3etch50.90.1-3etch60.90.1-3etch7	0.90.1-3etch8
`clamav` Debian:5.0 From an advisory covering 3 CVEs	before 0.91.2-4.0lenny1	0.91.2-4.0lenny1
`clamav` openSUSE:Tumbleweed From an advisory covering 55 CVEs	before 0.103.3-1.4	0.103.3-1.4

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	ClamAV 0.91.2 - libclamav MEW PE Buffer Overflow	2008-01-07

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	affected, aliases, exploits, facts, published, references, title	Exploit-DB, GitHub Advisories, OSV
Nov 2, 2026	first indexed	CVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-6335 is a high vulnerability (CVSS 7.5) in Clam Anti-virus Clamav, published December 12, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 18.4%, the 97th percentile. Fixed in clamav 0.92~dfsg-1~volatile2.

References

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