Linuxsecurity Critical Vulnerabilities in ClamAV Affecting Multiple File Parsers
Article Content
- •Multiple critical vulnerabilities in ClamAV allow remote denial of service attacks.
- •Affected file parsers include PE, ZIP, and others, impacting various systems.
- •Immediate updates are necessary to prevent exploitation.
SUSE has issued important security advisories for ClamAV, addressing multiple denial of service vulnerabilities. The vulnerabilities, identified as CVE-2026-20213 through CVE-2026-20217 and CVE-2026-20337 through CVE-2026-20347, allow unauthenticated remote attackers to exploit flaws in various file format parsers, including PE, FSG, 7z, InstallShield, and ZIP. The affected systems include ClamAV versions prior to the latest updates. Attackers can gain admin control through chained exploits, raising significant security concerns. The vulnerabilities were published between July and August 2026, with some having proof-of-concept code available. Administrators are urged to update their ClamAV installations immediately to mitigate risks. The current status indicates that these vulnerabilities are actively being exploited.
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