<div class="container">
<h1>Security update for cups</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:21836-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-26T12:19:57Z</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=1261568">bsc#1261568</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261569">bsc#1261569</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261570">bsc#1261570</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261571">bsc#1261571</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261572">bsc#1261572</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261742">bsc#1261742</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261743">bsc#1261743</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263116">bsc#1263116</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-2026-27447.html">CVE-2026-27447</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34978.html">CVE-2026-34978</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34979.html">CVE-2026-34979</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34980.html">CVE-2026-34980</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34990.html">CVE-2026-34990</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-39314.html">CVE-2026-39314</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-39316.html">CVE-2026-39316</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-41079.html">CVE-2026-41079</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-2026-27447</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-27447</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-27447</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34978</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34978</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34979</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34979</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34980</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.4</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34980</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/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-2026-34980</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34990</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34990</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.0</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:L/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-2026-34990</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-39314</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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-2026-39314</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-39314</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.0</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-39314</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.2</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2026-39316</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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-2026-39316</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-39316</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.0</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-39316</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.2</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2026-41079</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.1</span>
<span class="cvss-vector">CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-41079</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">3.5</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-41079</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-41079</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.4</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:N/UI:N/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">SUSE Linux Micro 6.2</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves eight vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for cups fixes the following issues</p>
<ul>
<li>CVE-2026-27447: Authorization bypass via case-insensitive group-member lookup (bsc#1261572).</li>
<li>CVE-2026-34978: Path traversal in RSS notify-recipient-uri enables file write outside CacheDir/rss (bsc#1261571).</li>
<li>CVE-2026-34979: Heap overflow in <code>get_options()</code> (bsc#1261570).</li>
<li>CVE-2026-34980: Shared PostScript queue lets anonymous Print-Job requests reach <code>lp</code> code execution over the network
(bsc#1261569).</li>
<li>CVE-2026-34990: Local print admin token disclosure using temporary printers (bsc#1261568).</li>
<li>CVE-2026-39314: negative <code>job-password-supported</code> attribute can lead to a denial of service (bsc#1261743).</li>
<li>CVE-2026-39316: dangling subscription pointer can lead to a denial of service (bsc#1261742).</li>
<li>CVE-2026-41079: crafted SNMP response can lead to stack-based out-of-bounds read and sensitive memory disclosure
(bsc#1263116).</li>
</ul>
<p>Changes for cups:</p>
<ul>
<li>
<p>Version upgrade to 2.4.19.</p>
</li>
<li>
<p>Version upgrade to 2.4.18.</p>
</li>
<li>
<p>Version upgrade to 2.4.17:</p>
</li>
<li>
<p>The scheduler followed symbolic links when cleaning out
its temporary directory (Issue #1448)</p>
</li>
<li>Updated <code>cupsFileGetConf</code> and <code>cupsFilePutConf</code> to escape
more characters.</li>
<li>Updated man page <code>cancel</code> (Issue #984)</li>
<li>Updated <code>cupsRasterReadHeader</code> to validate more of the
page header values (Issue #1501)</li>
<li>Fixed an issue with the class/printer CGI name checking.</li>
<li>Fixed infinite loop in <code>http_write()</code> on busy print servers
(Issue #827)</li>
<li>Fixed potential TLS blocking issues (Issue #1128)</li>
<li>Fixed a job history bug in the scheduler (Issue #1440)</li>
<li>Fixed notifier logging bug that would result in nul bytes
getting into the log (Issue #1450)</li>
<li>Fixed possible use-after-free in <code>cupsdReadClient()</code>
(Issue #1454)</li>
<li>Fixed a document format bug in the IPP backend (Issue #1457)</li>
<li>Fixed DRAIN_OUTPUT race condition (Issue #1461)</li>
<li>Fixed a bug when then <code>ippFindXxx</code> and <code>ippSetXxx</code> functions
were mixed.</li>
<li>Fixed the mapping of supply type keywords to SNMP names.</li>
<li>Fixed a bug in the IPP backend when SNMP was disabled.</li>
<li>Fixed a crash bug in the rastertoepson filter.</li>
<li>Fixed a bug in cgiCheckVariables.</li>
<li>Fixed handling read/write errors with OpenSSL (Issue #1506)</li>
<li>Fixed handling rehandshake error in <code>_httpTLSRead</code>
(Issue #1508)</li>
<li>Fixed a debug printf bug on Windows (Issue #1529)</li>
<li>Fixed a recursion issue with encoding of nested collections
(Issue #1539)</li>
<li>Fixed parsing of the <code>LimitRequestBody</code>, <code>MaxLogSize</code>,
and <code>MaxRequestSize</code> directives in "cupsd.conf" (Issue #1540)</li>
<li>Fixed a parsing bug in <code>ipptool</code> (Issue #1542)</li>
<li>Fixed blank line detection in the <code>rastertolabel</code> filter
(Issue #1545)</li>
<li>Fixed <code>httpPeek</code> edge case on compressed streams</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 Micro 6.2
<br/>
<code>zypper in -t patch SUSE-SL-Micro-6.2-802=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
<ul>
<li>libcups2-debuginfo-2.4.19-160000.1.1</li>
<li>cups-config-2.4.19-160000.1.1</li>
<li>libcups2-2.4.19-160000.1.1</li>
<li>cups-debuginfo-2.4.19-160000.1.1</li>
<li>cups-debugsource-2.4.19-160000.1.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-27447.html">https://www.suse.com/security/cve/CVE-2026-27447.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34978.html">https://www.suse.com/security/cve/CVE-2026-34978.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34979.html">https://www.suse.com/security/cve/CVE-2026-34979.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34980.html">https://www.suse.com/security/cve/CVE-2026-34980.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34990.html">https://www.suse.com/security/cve/CVE-2026-34990.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-39314.html">https://www.suse.com/security/cve/CVE-2026-39314.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-39316.html">https://www.suse.com/security/cve/CVE-2026-39316.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-41079.html">https://www.suse.com/security/cve/CVE-2026-41079.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261568">https://bugzilla.suse.com/show_bug.cgi?id=1261568</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261569">https://bugzilla.suse.com/show_bug.cgi?id=1261569</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261570">https://bugzilla.suse.com/show_bug.cgi?id=1261570</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261571">https://bugzilla.suse.com/show_bug.cgi?id=1261571</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261572">https://bugzilla.suse.com/show_bug.cgi?id=1261572</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261742">https://bugzilla.suse.com/show_bug.cgi?id=1261742</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261743">https://bugzilla.suse.com/show_bug.cgi?id=1261743</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263116">https://bugzilla.suse.com/show_bug.cgi?id=1263116</a>
</li>
</ul>
</div>