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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

CiscoCVE-2026-20337

Cisco Secure Endpoint: denial of service

Cisco

CVE-2026-20337 · Published Aug 7, 2026 · updated Aug 11, 2026

High7.5
No fix yet
Cisco advisory

A vulnerability in the zip archive parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device.

This vulnerability is due to improper boundary checks for content in zip files during scanning, which may result in an out-of-bounds write condition. An attacker could exploit this vulnerability by submitting a crafted zip file for scanning. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.

Affected versions

PackageAffectedFixed in
Cisco Secure Endpoint
Product
<= 7.0.5No fix yet
<= 6.2.19No fix yet
<= 7.3.3No fix yet
<= 7.2.13No fix yet
Details and references

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