CiscoClamAV Vulnerabilities Let Remote Attackers Crash Antivirus Scanning With Crafted Files

R Rakesh Meena Published Aug 11, 2026 · 12:45 · 1 min read GBHackers

Cisco has disclosed seven high-severity vulnerabilities in ClamAV that could allow unauthenticated remote attackers to disrupt antivirus scanning by submitting specially crafted files. These vulnerabilities are tracked as CVE-2026-20337, CVE-2026-20338, CVE-2026-20339, CVE-2026-20345, CVE-2026-20346, CVE-2026-20347, and CVE-2026-20348, and have been assigned a maximum CVSS score of 7.5. ClamAV Vulnerabilities The issues are detailed in the Cisco […]

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Source: GBHackers

Rakesh Meena — Rakesh tracks CVEs, zero-days, and exploit disclosures as they break, translating advisories into plain-language impact analysis. Background in vulnerability research, follows NVD and vendor bulletins closely.

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CiscoClamAV Vulnerabilities Let Remote Attackers Crash Antivirus Scanning With Crafted Files

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