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Pufferüberlauf in cyrus-sasl (SUSE)
Дата публикации: 22-10-2026 21:03:51



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# Security update for cyrus-sasl

Announcement ID: SUSE-SU-2026:24266-1
Release Date: 2026-10-21T05:47:26Z
Rating: important
References:

* bsc#1221863
* bsc#1230111
* bsc#1247498
* bsc#1284687
* jsc#PED-14856

Cross-References:

* CVE-2026-107161

CVSS scores:

* CVE-2026-107161 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-107161 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products:

* SUSE Linux Enterprise Server 16.0
* SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves one vulnerability, contains one feature and has three
fixes can now be installed.

## Description:

This update for cyrus-sasl fixes the following issues:

Security issue fixed:

* CVE-2026-107161: Heap buffer overflow in cyrus-sasl add_to_challenge()
allows malicious server to crash or compromise DIGEST-MD5 clients
(bsc#1284687).

Non security issues fixed:

* Fix cyrus-sasl package failing to build with GCC 14 (bsc#1221863).
* Replace insecure MD5 with ephemeral HMAC-SHA256 (bsc#1247498).
* Make DIGEST-MD5 work with openssl3 (bsc#1230111).

## 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 for SAP applications 16.0
zypper in -t patch SUSE-SLES-16.0-1950

* SUSE Linux Enterprise Server 16.0
zypper in -t patch SUSE-SLES-16.0-1950

## Package List:

* SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
* cyrus-sasl-gs2-2.1.28-160000.4.1
* cyrus-sasl-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-ldap-auxprop-2.1.28-160000.4.1
* cyrus-sasl-debugsource-2.1.28-160000.4.1
* cyrus-sasl-scram-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-2.1.28-160000.4.1
* cyrus-sasl-crammd5-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-plain-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-scram-2.1.28-160000.4.1
* cyrus-sasl-gs2-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-crammd5-2.1.28-160000.4.1
* cyrus-sasl-otp-2.1.28-160000.4.1
* cyrus-sasl-ntlm-2.1.28-160000.4.1
* cyrus-sasl-sqlauxprop-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-devel-2.1.28-160000.4.1
* cyrus-sasl-gssapi-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-saslauthd-debugsource-2.1.28-160000.4.1
* cyrus-sasl-otp-debuginfo-2.1.28-160000.4.1
* libsasl2-3-2.1.28-160000.4.1
* cyrus-sasl-ldap-auxprop-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-digestmd5-2.1.28-160000.4.1
* cyrus-sasl-saslauthd-2.1.28-160000.4.1
* libsasl2-3-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-ntlm-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-sqlauxprop-2.1.28-160000.4.1
* cyrus-sasl-gssapi-2.1.28-160000.4.1
* cyrus-sasl-saslauthd-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-plain-2.1.28-160000.4.1
* cyrus-sasl-digestmd5-debuginfo-2.1.28-160000.4.1
* SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
* cyrus-sasl-gs2-2.1.28-160000.4.1
* cyrus-sasl-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-ldap-auxprop-2.1.28-160000.4.1
* cyrus-sasl-debugsource-2.1.28-160000.4.1
* cyrus-sasl-scram-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-2.1.28-160000.4.1
* cyrus-sasl-crammd5-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-plain-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-scram-2.1.28-160000.4.1
* cyrus-sasl-gs2-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-crammd5-2.1.28-160000.4.1
* cyrus-sasl-otp-2.1.28-160000.4.1
* cyrus-sasl-ntlm-2.1.28-160000.4.1
* cyrus-sasl-sqlauxprop-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-devel-2.1.28-160000.4.1
* cyrus-sasl-gssapi-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-saslauthd-debugsource-2.1.28-160000.4.1
* cyrus-sasl-otp-debuginfo-2.1.28-160000.4.1
* libsasl2-3-2.1.28-160000.4.1
* cyrus-sasl-ldap-auxprop-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-digestmd5-2.1.28-160000.4.1
* cyrus-sasl-saslauthd-2.1.28-160000.4.1
* libsasl2-3-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-ntlm-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-sqlauxprop-2.1.28-160000.4.1
* cyrus-sasl-gssapi-2.1.28-160000.4.1
* cyrus-sasl-saslauthd-debuginfo-2.1.28-160000.4.1
* cyrus-sasl-plain-2.1.28-160000.4.1
* cyrus-sasl-digestmd5-debuginfo-2.1.28-160000.4.1

## References:

* https://www.suse.com/security/cve/CVE-2026-107161.html
* https://bugzilla.suse.com/show_bug.cgi?id=1221863
* https://bugzilla.suse.com/show_bug.cgi?id=1230111
* https://bugzilla.suse.com/show_bug.cgi?id=1247498
* https://bugzilla.suse.com/show_bug.cgi?id=1284687
* https://jira.suse.com/browse/PED-14856

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<div class="container">
<h1>Security update for cyrus-sasl</h1>

<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:24266-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-10-21T05:47:26Z</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=1221863">bsc#1221863</a>
</li>

<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1230111">bsc#1230111</a>
</li>

<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1247498">bsc#1247498</a>
</li>

<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1284687">bsc#1284687</a>
</li>

<li style="display: inline;">
<a href="https://jira.suse.com/browse/PED-14856">jsc#PED-14856</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-2026-107161.html">CVE-2026-107161</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-2026-107161</span>
<span class="cvss-source">
(

SUSE

):
</span>
<span
class="cvss-score">7.5</span>
<span
class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H</span>
</li>

<li class="list-group-item">
<span
class="cvss-reference">CVE-2026-107161</span>
<span class="cvss-source">
(

NVD

):
</span>
<span
class="cvss-score">7.5</span>
<span
class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H</span>
</li>

</ul>
</td>
</tr>

<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">

<li class="list-group-item">SUSE Linux
Enterprise Server 16.0</li>

<li class="list-group-item">SUSE Linux
Enterprise Server for SAP applications 16.0</li>

</ul>
</td>
</tr>
</tbody>
</table>

<p>An update that solves one vulnerability, contains one feature and
has three fixes can now be installed.</p>

<h2>Description:</h2>

<p>This update for cyrus-sasl fixes the following issues:</p>
<p>Security issue fixed:</p>
<ul>
<li>CVE-2026-107161: Heap buffer overflow in cyrus-sasl
add_to_challenge() allows malicious server to crash or compromise
DIGEST-MD5 clients (bsc#1284687).</li>
</ul>
<p>Non security issues fixed:</p>
<ul>
<li>Fix cyrus-sasl package failing to build with GCC 14
(bsc#1221863).</li>
<li>Replace insecure MD5 with ephemeral HMAC-SHA256
(bsc#1247498).</li>
<li>Make DIGEST-MD5 work with openssl3 (bsc#1230111).</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 16.0

<br/>
<code>zypper in -t patch
SUSE-SLES-16.0-1950</code>

</li>

<li class="list-group-item">
SUSE Linux Enterprise Server 16.0

<br/>
<code>zypper in -t patch
SUSE-SLES-16.0-1950</code>

</li>

</ul>

<h2>Package List:</h2>
<ul>

<li>
SUSE Linux Enterprise Server for SAP applications 16.0
(ppc64le x86_64)
<ul>

<li>cyrus-sasl-gs2-2.1.28-160000.4.1</li>

<li>cyrus-sasl-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-ldap-auxprop-2.1.28-160000.4.1</li>

<li>cyrus-sasl-debugsource-2.1.28-160000.4.1</li>

<li>cyrus-sasl-scram-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-2.1.28-160000.4.1</li>

<li>cyrus-sasl-crammd5-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-plain-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-scram-2.1.28-160000.4.1</li>

<li>cyrus-sasl-gs2-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-crammd5-2.1.28-160000.4.1</li>

<li>cyrus-sasl-otp-2.1.28-160000.4.1</li>

<li>cyrus-sasl-ntlm-2.1.28-160000.4.1</li>

<li>cyrus-sasl-sqlauxprop-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-devel-2.1.28-160000.4.1</li>

<li>cyrus-sasl-gssapi-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-saslauthd-debugsource-2.1.28-160000.4.1</li>

<li>cyrus-sasl-otp-debuginfo-2.1.28-160000.4.1</li>

<li>libsasl2-3-2.1.28-160000.4.1</li>

<li>cyrus-sasl-ldap-auxprop-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-digestmd5-2.1.28-160000.4.1</li>

<li>cyrus-sasl-saslauthd-2.1.28-160000.4.1</li>

<li>libsasl2-3-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-ntlm-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-sqlauxprop-2.1.28-160000.4.1</li>

<li>cyrus-sasl-gssapi-2.1.28-160000.4.1</li>

<li>cyrus-sasl-saslauthd-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-plain-2.1.28-160000.4.1</li>

<li>cyrus-sasl-digestmd5-debuginfo-2.1.28-160000.4.1</li>

</ul>
</li>

<li>
SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x
x86_64)
<ul>

<li>cyrus-sasl-gs2-2.1.28-160000.4.1</li>

<li>cyrus-sasl-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-ldap-auxprop-2.1.28-160000.4.1</li>

<li>cyrus-sasl-debugsource-2.1.28-160000.4.1</li>

<li>cyrus-sasl-scram-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-2.1.28-160000.4.1</li>

<li>cyrus-sasl-crammd5-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-plain-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-scram-2.1.28-160000.4.1</li>

<li>cyrus-sasl-gs2-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-crammd5-2.1.28-160000.4.1</li>

<li>cyrus-sasl-otp-2.1.28-160000.4.1</li>

<li>cyrus-sasl-ntlm-2.1.28-160000.4.1</li>

<li>cyrus-sasl-sqlauxprop-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-devel-2.1.28-160000.4.1</li>

<li>cyrus-sasl-gssapi-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-saslauthd-debugsource-2.1.28-160000.4.1</li>

<li>cyrus-sasl-otp-debuginfo-2.1.28-160000.4.1</li>

<li>libsasl2-3-2.1.28-160000.4.1</li>

<li>cyrus-sasl-ldap-auxprop-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-digestmd5-2.1.28-160000.4.1</li>

<li>cyrus-sasl-saslauthd-2.1.28-160000.4.1</li>

<li>libsasl2-3-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-ntlm-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-sqlauxprop-2.1.28-160000.4.1</li>

<li>cyrus-sasl-gssapi-2.1.28-160000.4.1</li>

<li>cyrus-sasl-saslauthd-debuginfo-2.1.28-160000.4.1</li>

<li>cyrus-sasl-plain-2.1.28-160000.4.1</li>

<li>cyrus-sasl-digestmd5-debuginfo-2.1.28-160000.4.1</li>

</ul>
</li>

</ul>

<h2>References:</h2>
<ul>

<li>
<a href="https://www.suse.com/security/cve/CVE-2026-107161.html">https://www.suse.com/security/cve/CVE-2026-107161.html</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1221863">https://bugzilla.suse.com/show_bug.cgi?id=1221863</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1230111">https://bugzilla.suse.com/show_bug.cgi?id=1230111</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1247498">https://bugzilla.suse.com/show_bug.cgi?id=1247498</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1284687">https://bugzilla.suse.com/show_bug.cgi?id=1284687</a>
</li>

<li>
<a href="https://jira.suse.com/browse/PED-14856">https://jira.suse.com/browse/PED-14856</a>
</li>

</ul>

</div>

--===============8150658673090113373==--

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