Out-of-bounds Read Affecting clamav package, versions [1.2.0,1.4.3)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.09% (26th percentile)

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  • Snyk IDSNYK-UNMANAGED-CLAMAV-10500271
  • published25 Jun 2025
  • disclosed18 Jun 2025
  • creditvolticks

Introduced: 18 Jun 2025

NewCVE-2025-20234  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade clamav to version 1.4.3 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read through thefindFileIdentifiers function during UDF file scanning. An attacker can submit a crafted file containing UDF content for ClamAV to scan that may write to a temporary file and leak information, or crash the service, causing a denial-of-service.

CVSS Base Scores

version 4.0
version 3.1