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openSUSE clamav Important Denial of Service Fix 2026-2834-1

opensuse
Calendar Grey July 10, 2026
Dist Opensuse Esm H88
An important security update for clamav in openSUSE addresses eight vulnerabilities and enhances system safety.
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...

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Topics%20covered

Topics Covered

security advisory denial of service patch important clamav OpenSUSE

Patch

## 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 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2834=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2834=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2834=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2834=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2834=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2834=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch...

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Package List

* SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)

* libclammspack0-1.5.3-150400.13.8.1

* libclamav12-1.5.3-150400.13.8.1

* libclamav12-debuginfo-1.5.3-150400.13.8.1

* libfreshclam4-debuginfo-1.5.3-150400.13.8.1

* clamav-devel-1.5.3-150400.13.8.1

* clamav-debuginfo-1.5.3-150400.13.8.1

* clamav-debugsource-1.5.3-150400.13.8.1

* clamav-1.5.3-150400.13.8.1

* clamav-milter-1.5.3-150400.13.8.1

* clamav-milter-debuginfo-1.5.3-150400.13.8.1

* libfreshclam4-1.5.3-150400.13.8.1

* libclammspack0-debuginfo-1.5.3-150400.13.8.1

* SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)

* clamav-docs-html-1.5.3-150400.13.8.1

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)

* libclammspack0-1.5.3-150400.13.8.1

* libclamav12-1.5.3-150400.13.8.1

* libclamav12-debuginfo-1.5.3-150400.13.8.1

* clamav-devel-1.5.3-150400.13.8.1

* libfreshclam4-debuginfo-1.5.3-150400.13.8.1

* clamav-debuginfo-1.5.3-150400.13.8.1

* clamav-debugsource-1.5.3-150400.13.8.1

* clamav-1.5.3-150400.13.8.1

*...

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References

* bsc#1270085

* bsc#1270088

* bsc#1270089

* bsc#1270091

* bsc#1270092

* bsc#1270106

* bsc#1270107

* bsc#1270138

## 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2834-1
Release Date: 2026-07-09T19:12:56Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory denial of service patch important clamav OpenSUSE

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