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# Security update for libarchive

Announcement ID: SUSE-SU-2026:3587-1
Release Date: 2026-08-11T14:51:55Z
Rating: moderate
References:

* bsc#1254340
* bsc#1254341
* bsc#1260998
* bsc#1261003

Affected Products:

* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that has four security fixes can now be installed.

## Description:

This update for libarchive fixes the following issues:

* creating temporary files in the current working directory instead of the
target directory can lead to file creation failures when the working
directory is not writable (bsc#1254340).
* file descriptor leak in the mtree parser cleanup path could lead to file
descriptor exhaustion and denial of service (bsc#1261003).
* NULL pointer dereference in archive_acl_from_text_w() could lead to a
segmentation fault (bsc#1260998).
* reading from an invalid index when buffer size is smaller than
H_LEVEL_OFFSET can lead to an out-of-bounds buffer overrun (bsc#1254341).

## 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 12 SP5 LTSS Extended Security
zypper in -t patch
SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-3587=1

## Package List:

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
* libarchive-devel-3.3.3-32.20.1
* libarchive13-debuginfo-3.3.3-32.20.1
* libarchive13-3.3.3-32.20.1
* libarchive-debugsource-3.3.3-32.20.1

## References:

* https://bugzilla.suse.com/show_bug.cgi?id=1254340
* https://bugzilla.suse.com/show_bug.cgi?id=1254341
* https://bugzilla.suse.com/show_bug.cgi?id=1260998
* https://bugzilla.suse.com/show_bug.cgi?id=1261003

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<div class="container">
<h1>Security update for libarchive</h1>

<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:3587-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-08-11T14:51:55Z</td>
</tr>

<tr>
<th>Rating:</th>
<td>moderate</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>

<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254340">bsc#1254340</a>
</li>

<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254341">bsc#1254341</a>
</li>

<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260998">bsc#1260998</a>
</li>

<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261003">bsc#1261003</a>
</li>

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

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

<li class="list-group-item">SUSE Linux
Enterprise Server 12 SP5</li>

<li class="list-group-item">SUSE Linux
Enterprise Server 12 SP5 LTSS Extended Security</li>

<li class="list-group-item">SUSE Linux
Enterprise Server for SAP Applications 12 SP5</li>

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

<p>An update that has four security fixes can now be
installed.</p>

<h2>Description:</h2>

<p>This update for libarchive fixes the following issues:</p>
<ul>
<li>creating temporary files in the current working directory instead of
the target directory can lead to file creation
failures when the working directory is not writable (bsc#1254340).</li>
<li>file descriptor leak in the mtree parser cleanup path could lead to
file descriptor exhaustion and denial of service
(bsc#1261003).</li>
<li>NULL pointer dereference in archive_acl_from_text_w() could lead to a
segmentation fault (bsc#1260998).</li>
<li>reading from an invalid index when buffer size is smaller than
H_LEVEL_OFFSET can lead to an out-of-bounds buffer
overrun (bsc#1254341).</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 12 SP5 LTSS Extended Security

<br/>
<code>zypper in -t patch
SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-3587=1</code>

</li>

</ul>

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

<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
(x86_64)
<ul>

<li>libarchive-devel-3.3.3-32.20.1</li>

<li>libarchive13-debuginfo-3.3.3-32.20.1</li>

<li>libarchive13-3.3.3-32.20.1</li>

<li>libarchive-debugsource-3.3.3-32.20.1</li>

</ul>
</li>

</ul>

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

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254340">https://bugzilla.suse.com/show_bug.cgi?id=1254340</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254341">https://bugzilla.suse.com/show_bug.cgi?id=1254341</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260998">https://bugzilla.suse.com/show_bug.cgi?id=1260998</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261003">https://bugzilla.suse.com/show_bug.cgi?id=1261003</a>
</li>

</ul>

</div>

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