Uncaught Exception Affecting clamav1.5-lib-debuginfo package, versions <0:1.5.2-1.amzn2023.0.1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.41% (33rd percentile)

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  • Snyk IDSNYK-AMZN2023-CLAMAV15LIBDEBUGINFO-16352343
  • published3 May 2026
  • disclosed4 Mar 2026

Introduced: 4 Mar 2026

CVE-2026-20031  (opens in a new tab)
CWE-248  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 clamav1.5-lib-debuginfo to version 0:1.5.2-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-1631.

NVD Description

Note: Versions mentioned in the description apply only to the upstream clamav1.5-lib-debuginfo package and not the clamav1.5-lib-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

A vulnerability in the HTML Cascading Style Sheets (CSS) module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

This vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker could exploit this vulnerability by submitting a crafted HTML file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the scanning process.

CVSS Base Scores

version 3.1