All vulnerabilities

Servers and applications

CVE-2007-2650

The OLE2 parser in Clam AntiVirus (ClamAV) allows remote attackers to cause a denial of service (resource consumption) via an OLE2 file with (1) a large property size or (2) a loop in the FAT file block chain that triggers an infinite loop, as demonstrated via a crafted DOC file.

Severity
Medium 4.3
Published
14 May 2007
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
0.90.3
Exploit chance
3.2% in the next 30 daysHigher than 88% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Uncontrolled resource consumption (CWE-400)
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
ClamAVServers and applications · cpe:a:clamav:clamav
  • Every version before 0.90.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-2650
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-2650