<div class="container">
<h1>Security update for clamav</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:4180-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-09-14T14:49:34Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>important</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271922">bsc#1271922</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274597">bsc#1274597</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274598">bsc#1274598</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274599">bsc#1274599</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274600">bsc#1274600</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274601">bsc#1274601</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274602">bsc#1274602</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274603">bsc#1274603</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>
Cross-References:
</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-8088.html">CVE-2025-8088</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-20337.html">CVE-2026-20337</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-20338.html">CVE-2026-20338</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-20339.html">CVE-2026-20339</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-20345.html">CVE-2026-20345</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-20346.html">CVE-2026-20346</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-20347.html">CVE-2026-20347</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-20348.html">CVE-2026-20348</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-46671.html">CVE-2026-46671</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>CVSS scores:</th>
<td>
<ul class="list-group">
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-8088</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.4</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-8088</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20337</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20337</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20337</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20338</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20338</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20338</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20339</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20339</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20339</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20345</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20345</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20345</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20346</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20346</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20346</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20347</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20347</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20347</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20348</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20348</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20348</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-46671</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-46671</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">Basesystem Module 15-SP7</li>
<li class="list-group-item">openSUSE Leap 15.6</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP7</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves nine vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for clamav fixes the following issues:</p>
<ul>
<li>CVE-2026-20337: Improper boundary checks for content in zip archive parser (bsc#1274597).</li>
<li>CVE-2026-20338: invalid free due to bad ownership handling when merging ZIP catalogue records (bsc#1274598).</li>
<li>CVE-2026-20339: integer overflow in the PESpin unpacker leads to undersized allocation and heap out-of-bounds write
(bsc#1274599).</li>
<li>CVE-2026-20345: out-of-bounds read/write via indexing error when converting GPT partition names (bsc#1274600).</li>
<li>CVE-2026-20346: integer underflow when parsing malformed PDF hex strings causes a crash (bsc#1274601).</li>
<li>CVE-2026-20347: integer overflow and undefined behavior when scanning malformed Mach-O files causes a crash
(bsc#1274602).</li>
<li>CVE-2026-20348: improper size handling in the XAR parser allows excessive allocation and scan-limit bypass
(bsc#1274603).</li>
<li>CVE-2026-46671: onenote_parser: Path traversal in <code>Parser:parse_notebook</code> allows reading files outside the notebook
directory (bsc#1271922).</li>
<li>CVE-2025-8088: ejects path separators in NTFS alternate data stream names to prevent extraction outside ClamAV's
temporary scan directory on Windows.</li>
</ul>
<p>Changes for clamav:</p>
<p>Update to 1.5.4:</p>
<ul>
<li>Fixed thread-safety issues in the clamd STATS command that could disclose
process memory or crash the daemon while scans and STATS requests run
concurrently. Also fixed partial socket-write handling used for large STATS
responses.</li>
<li>FreeBSD: Restored support for safe quarantine move and remove actions while
preserving protection against source-path replacement races.</li>
<li>Fixed an OpenSSL library-context leak in legacy hashing helpers when a
requested message digest cannot be fetched, such as when the default
provider is unavailable in a FIPS-enabled environment.</li>
<li>Upgraded the Rust crossbeam-epoch dependency to resolve the
RUSTSEC-2026-0204 advisory.</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".<br/>
Alternatively you can run the command listed for your product:
</p>
<ul class="list-group">
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-4180</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-4180</code>
</li>
<li class="list-group-item">
Basesystem Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-4180</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP6 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-4180</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
<ul>
<li>clamav-debugsource-1.5.4-150600.18.31.1</li>
<li>clamav-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclammspack0-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclamav12-1.5.4-150600.18.31.1</li>
<li>libclammspack0-1.5.4-150600.18.31.1</li>
<li>clamav-milter-1.5.4-150600.18.31.1</li>
<li>clamav-devel-1.5.4-150600.18.31.1</li>
<li>libclamav12-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclamunrar12-debuginfo-1.5.4-150600.18.31.1</li>
<li>libfreshclam4-debuginfo-1.5.4-150600.18.31.1</li>
<li>libfreshclam4-1.5.4-150600.18.31.1</li>
<li>clamav-milter-debuginfo-1.5.4-150600.18.31.1</li>
<li>clamav-1.5.4-150600.18.31.1</li>
<li>libclamunrar12-1.5.4-150600.18.31.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
<ul>
<li>clamav-docs-html-1.5.4-150600.18.31.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>clamav-debugsource-1.5.4-150600.18.31.1</li>
<li>clamav-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclammspack0-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclamav12-1.5.4-150600.18.31.1</li>
<li>libclammspack0-1.5.4-150600.18.31.1</li>
<li>clamav-milter-1.5.4-150600.18.31.1</li>
<li>clamav-devel-1.5.4-150600.18.31.1</li>
<li>libclamav12-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclamunrar12-debuginfo-1.5.4-150600.18.31.1</li>
<li>libfreshclam4-debuginfo-1.5.4-150600.18.31.1</li>
<li>libfreshclam4-1.5.4-150600.18.31.1</li>
<li>clamav-milter-debuginfo-1.5.4-150600.18.31.1</li>
<li>clamav-1.5.4-150600.18.31.1</li>
<li>libclamunrar12-1.5.4-150600.18.31.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (noarch)
<ul>
<li>clamav-docs-html-1.5.4-150600.18.31.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>clamav-debugsource-1.5.4-150600.18.31.1</li>
<li>clamav-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclammspack0-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclamav12-1.5.4-150600.18.31.1</li>
<li>libclammspack0-1.5.4-150600.18.31.1</li>
<li>clamav-milter-1.5.4-150600.18.31.1</li>
<li>clamav-devel-1.5.4-150600.18.31.1</li>
<li>libclamav12-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclamunrar12-debuginfo-1.5.4-150600.18.31.1</li>
<li>libfreshclam4-debuginfo-1.5.4-150600.18.31.1</li>
<li>libfreshclam4-1.5.4-150600.18.31.1</li>
<li>clamav-milter-debuginfo-1.5.4-150600.18.31.1</li>
<li>clamav-1.5.4-150600.18.31.1</li>
<li>libclamunrar12-1.5.4-150600.18.31.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP7 (noarch)
<ul>
<li>clamav-docs-html-1.5.4-150600.18.31.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>clamav-debugsource-1.5.4-150600.18.31.1</li>
<li>clamav-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclammspack0-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclamav12-1.5.4-150600.18.31.1</li>
<li>libclammspack0-1.5.4-150600.18.31.1</li>
<li>clamav-milter-1.5.4-150600.18.31.1</li>
<li>clamav-devel-1.5.4-150600.18.31.1</li>
<li>libclamav12-debuginfo-1.5.4-150600.18.31.1</li>
<li>libclamunrar12-debuginfo-1.5.4-150600.18.31.1</li>
<li>libfreshclam4-debuginfo-1.5.4-150600.18.31.1</li>
<li>libfreshclam4-1.5.4-150600.18.31.1</li>
<li>clamav-milter-debuginfo-1.5.4-150600.18.31.1</li>
<li>clamav-1.5.4-150600.18.31.1</li>
<li>libclamunrar12-1.5.4-150600.18.31.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
<ul>
<li>clamav-docs-html-1.5.4-150600.18.31.1</li>
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<h2>References:</h2>
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<a href="https://www.suse.com/security/cve/CVE-2025-8088.html">https://www.suse.com/security/cve/CVE-2025-8088.html</a>
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<a href="https://www.suse.com/security/cve/CVE-2026-20337.html">https://www.suse.com/security/cve/CVE-2026-20337.html</a>
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<a href="https://www.suse.com/security/cve/CVE-2026-20338.html">https://www.suse.com/security/cve/CVE-2026-20338.html</a>
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<a href="https://www.suse.com/security/cve/CVE-2026-20339.html">https://www.suse.com/security/cve/CVE-2026-20339.html</a>
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<a href="https://www.suse.com/security/cve/CVE-2026-20345.html">https://www.suse.com/security/cve/CVE-2026-20345.html</a>
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<a href="https://www.suse.com/security/cve/CVE-2026-20346.html">https://www.suse.com/security/cve/CVE-2026-20346.html</a>
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<a href="https://www.suse.com/security/cve/CVE-2026-20347.html">https://www.suse.com/security/cve/CVE-2026-20347.html</a>
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<a href="https://www.suse.com/security/cve/CVE-2026-20348.html">https://www.suse.com/security/cve/CVE-2026-20348.html</a>
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<a href="https://www.suse.com/security/cve/CVE-2026-46671.html">https://www.suse.com/security/cve/CVE-2026-46671.html</a>
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<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271922">https://bugzilla.suse.com/show_bug.cgi?id=1271922</a>
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<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274597">https://bugzilla.suse.com/show_bug.cgi?id=1274597</a>
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<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274598">https://bugzilla.suse.com/show_bug.cgi?id=1274598</a>
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<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274599">https://bugzilla.suse.com/show_bug.cgi?id=1274599</a>
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<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274600">https://bugzilla.suse.com/show_bug.cgi?id=1274600</a>
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<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274601">https://bugzilla.suse.com/show_bug.cgi?id=1274601</a>
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<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274602">https://bugzilla.suse.com/show_bug.cgi?id=1274602</a>
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<a href="https://bugzilla.suse.com/show_bug.cgi?id=1274603">https://bugzilla.suse.com/show_bug.cgi?id=1274603</a>
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