Allocation of Resources Without Limits or Throttling Affecting clamav1.4-doc package, versions <0:1.4.5-1.amzn2023.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.5% (40th percentile)

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  • Snyk IDSNYK-AMZN2023-CLAMAV14DOC-18064901
  • published21 Jul 2026
  • disclosed1 Jul 2026

Introduced: 1 Jul 2026

NewCVE-2026-20216  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 clamav1.4-doc to version 0:1.4.5-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-1956.

NVD Description

Note: Versions mentioned in the description apply only to the upstream clamav1.4-doc package and not the clamav1.4-doc package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

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

This vulnerability is due to improper handling of temporary resources during file scanning. An attacker could exploit this vulnerability by submitting a crafted InstallShield file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process and temporarily consume available system resources, resulting in a DoS condition on the affected software.

CVSS Base Scores

version 3.1