SUSE alert SUSE-SU-2026:21358-1 (clamav)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:21358-1: moderate: Security update for clamav
Date:
             
 
Tue, 28 Apr 2026 16:35:35 -0000
Message-ID:
             
 
<177739413532.48.1514846876819039685@9e3d0d49577d>


# Security update for clamav

Announcement ID: SUSE-SU-2026:21358-1  
Release Date: 2026-04-20T14:56:29Z  
Rating: moderate  
References:

  * bsc#1221954
  * bsc#1258072
  * bsc#1259207
  * jsc#PED-14819

  
Cross-References:

  * CVE-2026-20031

  
CVSS scores:

  * CVE-2026-20031 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-20031 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-20031 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
An update that solves one vulnerability, contains one feature and has two fixes
can now be installed.

## Description:

This update for clamav fixes the following issues:

Update to clamav 1.5.2:

Security issue:

  * CVE-2026-20031: improper error handling in the HTML CSS module when
    splitting UTF-8 strings can lead to denial of service conditions via a
    crafted HTML file (bsc#1259207).

Non security issue:

  * Support transactional updates (jsc#PED-14819).

Changelog:

  * Fixed a possible infinite loop when scanning some JPEG files by upgrading
    affected ClamAV dependency, a Rust image library.
  * The CVD verification process will now ignore certificate files in the CVD
    certs directory when the user lacks read permissions.
  * Freshclam: Fix CLD verification bug with PrivateMirror option.
  * Upgraded the Rust bytes dependency to a newer version to resolve
    RUSTSEC-2026-0007 advisory.
  * Fixed a possible crash caused by invalid pointer alignment on some
    platforms.

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-487=1

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-487=1

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * clamav-1.5.2-160000.1.1
    * libclamav12-1.5.2-160000.1.1
    * libclammspack0-1.5.2-160000.1.1
    * libclammspack0-debuginfo-1.5.2-160000.1.1
    * clamav-debugsource-1.5.2-160000.1.1
    * libfreshclam4-1.5.2-160000.1.1
    * libclamav12-debuginfo-1.5.2-160000.1.1
    * libfreshclam4-debuginfo-1.5.2-160000.1.1
    * clamav-milter-debuginfo-1.5.2-160000.1.1
    * clamav-milter-1.5.2-160000.1.1
    * clamav-debuginfo-1.5.2-160000.1.1
    * clamav-devel-1.5.2-160000.1.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
    * clamav-docs-html-1.5.2-160000.1.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * clamav-1.5.2-160000.1.1
    * libclamav12-1.5.2-160000.1.1
    * libclammspack0-1.5.2-160000.1.1
    * libclammspack0-debuginfo-1.5.2-160000.1.1
    * clamav-debugsource-1.5.2-160000.1.1
    * libfreshclam4-1.5.2-160000.1.1
    * libclamav12-debuginfo-1.5.2-160000.1.1
    * libfreshclam4-debuginfo-1.5.2-160000.1.1
    * clamav-milter-debuginfo-1.5.2-160000.1.1
    * clamav-milter-1.5.2-160000.1.1
    * clamav-debuginfo-1.5.2-160000.1.1
    * clamav-devel-1.5.2-160000.1.1
  * SUSE Linux Enterprise Server 16.0 (noarch)
    * clamav-docs-html-1.5.2-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-20031.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1221954
  * https://bugzilla.suse.com/show_bug.cgi?id=1258072
  * https://bugzilla.suse.com/show_bug.cgi?id=1259207
  * https://jira.suse.com/browse/PED-14819



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