<div class="container">
<h1>Security update for libpng16</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:21217-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-12-16T08:33:05Z</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=1254157">bsc#1254157</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254158">bsc#1254158</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254159">bsc#1254159</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254160">bsc#1254160</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254480">bsc#1254480</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-2025-64505.html">CVE-2025-64505</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-64506.html">CVE-2025-64506</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-64720.html">CVE-2025-64720</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-65018.html">CVE-2025-65018</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-66293.html">CVE-2025-66293</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-2025-64505</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-64505</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-64505</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-64506</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-64506</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-64506</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-64720</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-64720</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-64720</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-65018</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-65018</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-65018</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-66293</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.0</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-66293</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-66293</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Micro 6.0</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves five vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for libpng16 fixes the following issues:</p>
<ul>
<li>CVE-2025-66293: Fixed out-of-bounds read in png_image_read_composite (bsc#1254480).</li>
<li>CVE-2025-64505: Fixed heap buffer over-read in <code>png_do_quantize</code> via malformed palette index (bsc#1254157).</li>
<li>CVE-2025-64506: Fixed heap buffer over-read in <code>png_write_image_8bit</code> with 8-bit input and <code>convert_to_8bit</code> enabled (bsc#1254158).</li>
<li>CVE-2025-64720: Fixed buffer overflow in <code>png_image_read_composite</code> via incorrect palette premultiplication (bsc#1254159).</li>
<li>CVE-2025-65018: Fixed heap buffer overflow in <code>png_combine_row</code> triggered via <code>png_image_finish_read</code> (bsc#1254160).</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 6.0
<br/>
<code>zypper in -t patch SUSE-SLE-Micro-6.0-536=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
<ul>
<li>libpng16-16-debuginfo-1.6.43-2.1</li>
<li>libpng16-16-1.6.43-2.1</li>
<li>libpng16-debugsource-1.6.43-2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-64505.html">https://www.suse.com/security/cve/CVE-2025-64505.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-64506.html">https://www.suse.com/security/cve/CVE-2025-64506.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-64720.html">https://www.suse.com/security/cve/CVE-2025-64720.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-65018.html">https://www.suse.com/security/cve/CVE-2025-65018.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-66293.html">https://www.suse.com/security/cve/CVE-2025-66293.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254157">https://bugzilla.suse.com/show_bug.cgi?id=1254157</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254158">https://bugzilla.suse.com/show_bug.cgi?id=1254158</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254159">https://bugzilla.suse.com/show_bug.cgi?id=1254159</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254160">https://bugzilla.suse.com/show_bug.cgi?id=1254160</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254480">https://bugzilla.suse.com/show_bug.cgi?id=1254480</a>
</li>
</ul>
</div>