Uncaught Exception Affecting libfreshclam4 package, versions <1.5.2-150400.13.5.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.43% (35th percentile)

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  • Snyk IDSNYK-SLES155-LIBFRESHCLAM4-17615443
  • published27 Jun 2026
  • disclosed26 Jun 2026

Introduced: 26 Jun 2026

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

How to fix?

Upgrade SLES:15.5 libfreshclam4 to version 1.5.2-150400.13.5.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libfreshclam4 package and not the libfreshclam4 package as distributed by SLES. See How to fix? for SLES:15.5 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