Allocation of Resources Without Limits or Throttling Affecting clamav package, versions [,1.4.5)[1.4.0,1.5.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Allocation of Resources Without Limits or Throttling vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-UNMANAGED-CLAMAV-17808175
- published3 Jul 2026
- disclosed1 Jul 2026
- creditUnknown
Introduced: 1 Jul 2026
CVE-2026-20216 (opens in a new tab)How to fix?
Upgrade clamav to version 1.4.5, 1.5.3 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the InstallShield file format parser. An attacker can terminate the scanning process and exhaust system resources by submitting a specially crafted InstallShield file for scanning.
Workaround
This vulnerability can be mitigated by deploying the software within a sandboxed environment to contain potential resource exhaustion and by restricting the processing of untrusted InstallShield files to trusted sources.