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ESB-2026.3678 PUBLISHED CVSS 5.300000190734863 MEDIUM

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3678 Security update for clamav 15 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: clamav Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-20031 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20261325-1 Comment: CVSS (Max): 5.3 CVE-2026-20031 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L EPSS (Max): 0.1% (33rd) CVE-2026-20031 2026-04-14 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for clamav Announcement ID: SUSE-SU-2026:1325-1 Release Date: 2026-04-14T13:15:54Z Rating: moderate o bsc#1221954 o bsc#1258072 References: o bsc#1259207 o jsc#PED-14819 Cross-References: o CVE-2026-20031 o 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 o CVE-2026-20031 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N CVSS scores: /S:U/C:N/I:N/A:L o 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 o Basesystem Module 15-SP7 o openSUSE Leap 15.6 o SUSE Linux Enterprise Desktop 15 SP7 Affected o SUSE Linux Enterprise Real Time 15 SP7 Products: o SUSE Linux Enterprise Server 15 SP6 o SUSE Linux Enterprise Server 15 SP6 LTSS o SUSE Linux Enterprise Server 15 SP7 o SUSE Linux Enterprise Server for SAP Applications 15 SP6 o SUSE Linux Enterprise Server for SAP Applications 15 SP7 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: o 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: o Support transactional updates (jsc#PED-14819). Changelog: o Fixed a possible infinite loop when scanning some JPEG files by upgrading affected ClamAV dependency, a Rust image library. o The CVD verification process will now ignore certificate files in the CVD certs directory when the user lacks read permissions. o Freshclam: Fix CLD verification bug with PrivateMirror option. o Upgraded the Rust bytes dependency to a newer version to resolve RUSTSEC-2026-0007 advisory. o Fixed a possible crash caused by invalid pointer alignment on some platforms. o 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: o openSUSE Leap 15.6 zypper in -t patch SUSE-2026-1325=1 openSUSE-SLE-15.6-2026-1325=1 o Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1325=1 o SUSE Linux Enterprise Server 15 SP6 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1325=1 o SUSE Linux Enterprise Server for SAP Applications 15 SP6 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1325=1 Package List: o openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64) libclamav12-1.5.2-150600.18.25.1 clamav-debuginfo-1.5.2-150600.18.25.1 clamav-1.5.2-150600.18.25.1 clamav-milter-debuginfo-1.5.2-150600.18.25.1 libclamav12-debuginfo-1.5.2-150600.18.25.1 clamav-devel-1.5.2-150600.18.25.1 libclammspack0-debuginfo-1.5.2-150600.18.25.1 libclammspack0-1.5.2-150600.18.25.1 clamav-debugsource-1.5.2-150600.18.25.1 clamav-milter-1.5.2-150600.18.25.1 libfreshclam4-1.5.2-150600.18.25.1 libfreshclam4-debuginfo-1.5.2-150600.18.25.1 o openSUSE Leap 15.6 (noarch) clamav-docs-html-1.5.2-150600.18.25.1 o Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64) libclamav12-1.5.2-150600.18.25.1 clamav-debuginfo-1.5.2-150600.18.25.1 clamav-1.5.2-150600.18.25.1 clamav-milter-debuginfo-1.5.2-150600.18.25.1 libclamav12-debuginfo-1.5.2-150600.18.25.1 clamav-devel-1.5.2-150600.18.25.1 libclammspack0-debuginfo-1.5.2-150600.18.25.1 libclammspack0-1.5.2-150600.18.25.1 clamav-debugsource-1.5.2-150600.18.25.1 clamav-milter-1.5.2-150600.18.25.1 libfreshclam4-1.5.2-150600.18.25.1 libfreshclam4-debuginfo-1.5.2-150600.18.25.1 o Basesystem Module 15-SP7 (noarch) clamav-docs-html-1.5.2-150600.18.25.1 o SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64) libclamav12-1.5.2-150600.18.25.1 clamav-debuginfo-1.5.2-150600.18.25.1 clamav-1.5.2-150600.18.25.1 clamav-milter-debuginfo-1.5.2-150600.18.25.1 libclamav12-debuginfo-1.5.2-150600.18.25.1 clamav-devel-1.5.2-150600.18.25.1 libclammspack0-debuginfo-1.5.2-150600.18.25.1 libclammspack0-1.5.2-150600.18.25.1 clamav-debugsource-1.5.2-150600.18.25.1 clamav-milter-1.5.2-150600.18.25.1 libfreshclam4-1.5.2-150600.18.25.1 libfreshclam4-debuginfo-1.5.2-150600.18.25.1 o SUSE Linux Enterprise Server 15 SP6 LTSS (noarch) clamav-docs-html-1.5.2-150600.18.25.1 o SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64) libclamav12-1.5.2-150600.18.25.1 clamav-debuginfo-1.5.2-150600.18.25.1 clamav-1.5.2-150600.18.25.1 clamav-milter-debuginfo-1.5.2-150600.18.25.1 libclamav12-debuginfo-1.5.2-150600.18.25.1 clamav-devel-1.5.2-150600.18.25.1 libclammspack0-debuginfo-1.5.2-150600.18.25.1 libclammspack0-1.5.2-150600.18.25.1 clamav-debugsource-1.5.2-150600.18.25.1 clamav-milter-1.5.2-150600.18.25.1 libfreshclam4-1.5.2-150600.18.25.1 libfreshclam4-debuginfo-1.5.2-150600.18.25.1 o SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch) clamav-docs-html-1.5.2-150600.18.25.1 References: o https://www.suse.com/security/cve/CVE-2026-20031.html o https://bugzilla.suse.com/show_bug.cgi?id=1221954 o https://bugzilla.suse.com/show_bug.cgi?id=1258072 o https://bugzilla.suse.com/show_bug.cgi?id=1259207 o https://jira.suse.com/browse/PED-14819 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================

Risk Scores

CVSS v3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products

VendorProductVersions
SUSEclamav

Timeline

References

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