Security update for clamav

Announcement ID: SUSE-SU-2026:2833-1
Release Date: 2026-07-09T19:11:01Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-20213 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20213 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20214 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20214 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20215 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20215 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20216 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20216 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20217 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20217 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20243 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20243 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20244 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-20244 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-41676 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-41676 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
  • CVE-2026-41676 ( NVD ): 7.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  • CVE-2026-41676 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server 12 SP5 LTSS
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves eight vulnerabilities can now be installed.

Description:

This update for clamav fixes the following issues

  • CVE-2026-20213: PE file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270107).
  • CVE-2026-20214: FSG file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270085).
  • CVE-2026-20215: 7z file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270088).
  • CVE-2026-20216: InstallShield file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270089).
  • CVE-2026-20217: PESpin file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270091).
  • CVE-2026-20243: ALZ file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270092).
  • CVE-2026-20244: DMG file format parser could allow an unauthenticated, remote attacker to cause a denial of service on 32-bit platforms only (bsc#1270106).
  • CVE-2026-41676: rust-openssl: Deriver:derive and PkeyCtxRef:derive can overflow short buffers on OpenSSL 1.1.1 (bsc#1270138).

Changes for clamav:

  • Update to 1.5.3:

  • Hardened clamscan, clamdscan, and clamonacc quarantine actions against time-of-check/time-of-use races that could redirect copied, moved, or removed files under unsafe quarantine directory configurations.

  • Raised the minimum required CMake version to 3.17 to fix Linux builds with libcurl v8.21.0 when linking static library dependencies.
  • Metadata preclass scans now run before the final scan verdict.
  • ClamOnAcc: Fixed errors when recursively excluded paths are children of an included path.
  • ClamOnAcc: Fixed hash bucket list corruption when two watched paths collide in the same bucket.

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 12 SP5 LTSS Extended Security
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-2833=1
  • SUSE Linux Enterprise Server 12 SP5 LTSS
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-2833=1

Package List:

  • SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    • libclammspack0-debuginfo-1.5.3-3.56.1
    • libfreshclam4-debuginfo-1.5.3-3.56.1
    • clamav-devel-1.5.3-3.56.1
    • clamav-debuginfo-1.5.3-3.56.1
    • libclamav12-1.5.3-3.56.1
    • libclamav12-debuginfo-1.5.3-3.56.1
    • clamav-milter-1.5.3-3.56.1
    • clamav-1.5.3-3.56.1
    • clamav-milter-debuginfo-1.5.3-3.56.1
    • clamav-debugsource-1.5.3-3.56.1
    • libfreshclam4-1.5.3-3.56.1
    • libclammspack0-1.5.3-3.56.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    • clamav-docs-html-1.5.3-3.56.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    • libclammspack0-debuginfo-1.5.3-3.56.1
    • libfreshclam4-debuginfo-1.5.3-3.56.1
    • clamav-devel-1.5.3-3.56.1
    • clamav-debuginfo-1.5.3-3.56.1
    • libclamav12-1.5.3-3.56.1
    • clamav-milter-1.5.3-3.56.1
    • libclamav12-debuginfo-1.5.3-3.56.1
    • clamav-1.5.3-3.56.1
    • clamav-debugsource-1.5.3-3.56.1
    • clamav-milter-debuginfo-1.5.3-3.56.1
    • libfreshclam4-1.5.3-3.56.1
    • libclammspack0-1.5.3-3.56.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    • clamav-docs-html-1.5.3-3.56.1

References: