SUSE-SU-2026:2835-1: important: Security update for clamav

OPENSUSE-SECURITY-UPDATES <[email protected]>
Newsgroups gmane.linux.suse.security.announce
Message-ID <178367222763.944.9251118681105541314@530c474df1e7> 
# Security update for clamav

Announcement ID: SUSE-SU-2026:2835-1  
Release Date: 2026-07-09T19:13:18Z  
Rating: important  
References:

  * bsc#1270085
  * bsc#1270088
  * bsc#1270089
  * bsc#1270091
  * bsc#1270092
  * bsc#1270106
  * bsc#1270107
  * bsc#1270138

  
Cross-References:

  * CVE-2026-20213
  * CVE-2026-20214
  * CVE-2026-20215
  * CVE-2026-20216
  * CVE-2026-20217
  * CVE-2026-20243
  * CVE-2026-20244
  * CVE-2026-41676

  
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:

  * Basesystem Module 15-SP7
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
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 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2835=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2835=1

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-2835=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2835=1

## Package List:

  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libclammspack0-1.5.3-150600.18.28.1
    * clamav-milter-1.5.3-150600.18.28.1
    * clamav-debugsource-1.5.3-150600.18.28.1
    * clamav-1.5.3-150600.18.28.1
    * clamav-devel-1.5.3-150600.18.28.1
    * libfreshclam4-debuginfo-1.5.3-150600.18.28.1
    * libclamav12-1.5.3-150600.18.28.1
    * libclamav12-debuginfo-1.5.3-150600.18.28.1
    * clamav-milter-debuginfo-1.5.3-150600.18.28.1
    * libclammspack0-debuginfo-1.5.3-150600.18.28.1
    * libfreshclam4-1.5.3-150600.18.28.1
    * clamav-debuginfo-1.5.3-150600.18.28.1
  * Basesystem Module 15-SP7 (noarch)
    * clamav-docs-html-1.5.3-150600.18.28.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
    * clamav-docs-html-1.5.3-150600.18.28.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * libclammspack0-1.5.3-150600.18.28.1
    * clamav-milter-1.5.3-150600.18.28.1
    * clamav-debugsource-1.5.3-150600.18.28.1
    * clamav-1.5.3-150600.18.28.1
    * clamav-devel-1.5.3-150600.18.28.1
    * libfreshclam4-debuginfo-1.5.3-150600.18.28.1
    * libclamav12-1.5.3-150600.18.28.1
    * clamav-milter-debuginfo-1.5.3-150600.18.28.1
    * libclamav12-debuginfo-1.5.3-150600.18.28.1
    * libclammspack0-debuginfo-1.5.3-150600.18.28.1
    * libfreshclam4-1.5.3-150600.18.28.1
    * clamav-debuginfo-1.5.3-150600.18.28.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * libclammspack0-1.5.3-150600.18.28.1
    * clamav-milter-1.5.3-150600.18.28.1
    * clamav-debugsource-1.5.3-150600.18.28.1
    * clamav-1.5.3-150600.18.28.1
    * clamav-devel-1.5.3-150600.18.28.1
    * libfreshclam4-debuginfo-1.5.3-150600.18.28.1
    * libclamav12-1.5.3-150600.18.28.1
    * libclamav12-debuginfo-1.5.3-150600.18.28.1
    * clamav-milter-debuginfo-1.5.3-150600.18.28.1
    * libclammspack0-debuginfo-1.5.3-150600.18.28.1
    * libfreshclam4-1.5.3-150600.18.28.1
    * clamav-debuginfo-1.5.3-150600.18.28.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
    * clamav-docs-html-1.5.3-150600.18.28.1
  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * libclammspack0-1.5.3-150600.18.28.1
    * clamav-milter-1.5.3-150600.18.28.1
    * clamav-debugsource-1.5.3-150600.18.28.1
    * clamav-1.5.3-150600.18.28.1
    * clamav-devel-1.5.3-150600.18.28.1
    * libfreshclam4-debuginfo-1.5.3-150600.18.28.1
    * libclamav12-1.5.3-150600.18.28.1
    * libclamav12-debuginfo-1.5.3-150600.18.28.1
    * clamav-milter-debuginfo-1.5.3-150600.18.28.1
    * libclammspack0-debuginfo-1.5.3-150600.18.28.1
    * libfreshclam4-1.5.3-150600.18.28.1
    * clamav-debuginfo-1.5.3-150600.18.28.1
  * openSUSE Leap 15.6 (noarch)
    * clamav-docs-html-1.5.3-150600.18.28.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-20213.html
  * https://www.suse.com/security/cve/CVE-2026-20214.html
  * https://www.suse.com/security/cve/CVE-2026-20215.html
  * https://www.suse.com/security/cve/CVE-2026-20216.html
  * https://www.suse.com/security/cve/CVE-2026-20217.html
  * https://www.suse.com/security/cve/CVE-2026-20243.html
  * https://www.suse.com/security/cve/CVE-2026-20244.html
  * https://www.suse.com/security/cve/CVE-2026-41676.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1270085
  * https://bugzilla.suse.com/show_bug.cgi?id=1270088
  * https://bugzilla.suse.com/show_bug.cgi?id=1270089
  * https://bugzilla.suse.com/show_bug.cgi?id=1270091
  * https://bugzilla.suse.com/show_bug.cgi?id=1270092
  * https://bugzilla.suse.com/show_bug.cgi?id=1270106
  * https://bugzilla.suse.com/show_bug.cgi?id=1270107
  * https://bugzilla.suse.com/show_bug.cgi?id=1270138
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