Security update for clamav

Announcement ID: SUSE-SU-2026:0906-1
Release Date: 2026-03-17T16:32:20Z
Rating: moderate
References:
Cross-References:
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:
  • openSUSE Leap 15.4

An update that solves one vulnerability, contains one feature and has two security 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.
  • Minimal required Rust version is now 1.87.

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:

  • openSUSE Leap 15.4
    zypper in -t patch SUSE-2026-906=1

Package List:

  • openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
    • libclammspack0-1.5.2-150400.13.5.1
    • clamav-debuginfo-1.5.2-150400.13.5.1
    • libclamav12-debuginfo-1.5.2-150400.13.5.1
    • libfreshclam4-debuginfo-1.5.2-150400.13.5.1
    • clamav-milter-1.5.2-150400.13.5.1
    • libclamav12-1.5.2-150400.13.5.1
    • libfreshclam4-1.5.2-150400.13.5.1
    • clamav-debugsource-1.5.2-150400.13.5.1
    • libclammspack0-debuginfo-1.5.2-150400.13.5.1
    • clamav-milter-debuginfo-1.5.2-150400.13.5.1
    • clamav-1.5.2-150400.13.5.1
    • clamav-devel-1.5.2-150400.13.5.1
  • openSUSE Leap 15.4 (noarch)
    • clamav-docs-html-1.5.2-150400.13.5.1

References: