Uncaught Exception Affecting clamav package, versions <1.5.2-160000.1.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.41% (33rd percentile)

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  • Snyk IDSNYK-SLES1600-CLAMAV-16332183
  • published1 May 2026
  • disclosed20 Apr 2026

Introduced: 20 Apr 2026

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

How to fix?

Upgrade SLES:16.0.0 clamav to version 1.5.2-160000.1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream clamav package and not the clamav package as distributed by SLES. See How to fix? for SLES:16.0.0 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