UpHeron
All vulnerabilities

Servers and applications

CVE-2022-20803

A vulnerability in the OLE2 file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.The vulnerability is due to incorrect use of the realloc function that may result in a double-free. An attacker could exploit this vulnerability by submitting a crafted OLE2 file to be…

Severity
High 7.5
Published
17 Feb 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
0.104.3
Sources
NVD

Affected software

SoftwareAffected versions
ClamAVServers and applications · cpe:a:clamav:clamav
  • From 0.104.0 before 0.104.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-20803
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-20803