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Servers and applications

CVE-2021-27506

The ClamAV Engine (version 0.103.1 and below) component embedded in Storsmshield Network Security (SNS) is subject to DoS in case of parsing of malformed png files. This affect Netasq versions 9.1.0 to 9.1.11 and SNS versions 1.0.0 to 4.2.0. This issue is fixed in SNS 3.7.19, 3.11.7 and 4.2.1.

Severity
Medium 5.5
Published
19 Mar 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-2021-27506
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-27506