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CVE record · 2 sources

CVE-2026-20337

CVSS 7.5

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

Vendor: Cisco
CVSS: 7.5

Coverage

2

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

19

Cisco advisory Cisco PSIRT 7 Aug 2026

ClamAV Vulnerabilities Affecting Cisco Products: August 2026

Multiple vulnerabilities in ClamAV could allow a remote attacker to cause a denial of service (DoS) condition, interrupting scanning operations. For more information about these vulnerabilities, see the Details section of this…

Fix available CVE-2026-20337 CVE-2026-20338 CVE-2026-20339+4 more Cisco
10

CVE NVD 7 Aug 2026

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

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…

CVSS 7.5 CVE-2026-20337