UpHeron
All vulnerabilities

Servers and applications

CVE-2021-1405

A vulnerability in the email parsing module in Clam AntiVirus (ClamAV) Software version 0.103.1 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper variable initialization that may result in an NULL pointer read. An attacker could exploit this vulnerability by sending a crafted…

Severity
High 7.5
Published
8 Apr 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
ClamAVServers and applications · cpe:a:clamav:clamav
  • Every version up to 0.103.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-1405
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-1405