SUSE-SU-2026:3329-1: important: Security update for nginx
OPENSUSE-SECURITY-UPDATES <[email protected]> Tue, 28 Jul 2026 16:46:57 -0000
| Newsgroups | gmane.linux.suse.security.announce |
|---|---|
| Message-ID | <178525721779.499.5512420601268470229@cdce4c525ac1> |
--===============8895176432284734908==
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
# Security update for nginx
Announcement ID: SUSE-SU-2026:3329-1
Release Date: 2026-07-28T09:34:39Z
Rating: important
References:
* bsc#1267525
* bsc#1268492
* bsc#1268495
Cross-References:
* CVE-2026-42055
* CVE-2026-48142
CVSS scores:
* CVE-2026-42055 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-42055 ( NVD ): 9.2
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/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
* CVE-2026-42055 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-42055 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-48142 ( SUSE ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
* CVE-2026-48142 ( NVD ): 6.3
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/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
* CVE-2026-48142 ( NVD ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Affected Products:
* openSUSE Leap 15.6
* Server Applications Module 15-SP7
* SUSE Linux Enterprise Real Time 15 SP7
* SUSE Linux Enterprise Server 15 SP6
* SUSE Linux Enterprise Server 15 SP6 LTSS
* SUSE Linux Enterprise Server 15 SP7
* SUSE Linux Enterprise Server for SAP Applications 15 SP6
* SUSE Linux Enterprise Server for SAP Applications 15 SP7
An update that solves two vulnerabilities and has one security fix can now be
installed.
## Description:
This update for nginx fixes the following issues
* CVE-2026-42055: heap-based buffer overflow in the `ngx_http_proxy_v2_module`
and `ngx_http_grpc_module` modules (bsc#1268492).
* CVE-2026-48142: heap buffer over-read in the `ngx_http_charset_module`
module (bsc#1268495).
* Remote denial of service via the HTTP/2 bomb exploit (bsc#1267525).
## 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 15 SP6
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-3329=1
* SUSE Linux Enterprise Server 15 SP6 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3329=1
* Server Applications Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-3329=1
* openSUSE Leap 15.6
zypper in -t patch SUSE-2026-3329=1
## Package List:
* openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
* nginx-debugsource-1.21.5-150600.10.24.1
* nginx-debuginfo-1.21.5-150600.10.24.1
* nginx-1.21.5-150600.10.24.1
* openSUSE Leap 15.6 (noarch)
* nginx-source-1.21.5-150600.10.24.1
* SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
* nginx-debugsource-1.21.5-150600.10.24.1
* nginx-debuginfo-1.21.5-150600.10.24.1
* nginx-1.21.5-150600.10.24.1
* SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
* nginx-source-1.21.5-150600.10.24.1
* Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
* nginx-debugsource-1.21.5-150600.10.24.1
* nginx-debuginfo-1.21.5-150600.10.24.1
* nginx-1.21.5-150600.10.24.1
* Server Applications Module 15-SP7 (noarch)
* nginx-source-1.21.5-150600.10.24.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
* nginx-debugsource-1.21.5-150600.10.24.1
* nginx-debuginfo-1.21.5-150600.10.24.1
* nginx-1.21.5-150600.10.24.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
* nginx-source-1.21.5-150600.10.24.1
## References:
* https://www.suse.com/security/cve/CVE-2026-42055.html
* https://www.suse.com/security/cve/CVE-2026-48142.html
* https://bugzilla.suse.com/show_bug.cgi?id=1267525
* https://bugzilla.suse.com/show_bug.cgi?id=1268492
* https://bugzilla.suse.com/show_bug.cgi?id=1268495
--===============8895176432284734908==
Content-Type: text/html; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
<div class="container">
<h1>Security update for nginx</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:3329-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-07-28T09:34:39Z</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=1267525">bsc#1267525</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268492">bsc#1268492</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268495">bsc#1268495</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-2026-42055.html">CVE-2026-42055</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-48142.html">CVE-2026-48142</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-2026-42055</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/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-2026-42055</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.2</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/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-2026-42055</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/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-2026-42055</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/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-2026-48142</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:N/UI:N/S:U/C:L/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48142</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/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-2026-48142</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: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">openSUSE Leap 15.6</li>
<li class="list-group-item">Server Applications Module 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 two vulnerabilities and has one security fix can now be installed.</p>
<h2>Description:</h2>
<p>This update for nginx fixes the following issues</p>
<ul>
<li>CVE-2026-42055: heap-based buffer overflow in the <code>ngx_http_proxy_v2_module</code> and <code>ngx_http_grpc_module</code> modules
(bsc#1268492).</li>
<li>CVE-2026-48142: heap buffer over-read in the <code>ngx_http_charset_module</code> module (bsc#1268495).</li>
<li>Remote denial of service via the HTTP/2 bomb exploit (bsc#1267525).</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-SP6-2026-3329=1</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-2026-3329=1</code>
</li>
<li class="list-group-item">
Server Applications Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-3329=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-3329=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
<ul>
<li>nginx-debugsource-1.21.5-150600.10.24.1</li>
<li>nginx-debuginfo-1.21.5-150600.10.24.1</li>
<li>nginx-1.21.5-150600.10.24.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (noarch)
<ul>
<li>nginx-source-1.21.5-150600.10.24.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>nginx-debugsource-1.21.5-150600.10.24.1</li>
<li>nginx-debuginfo-1.21.5-150600.10.24.1</li>
<li>nginx-1.21.5-150600.10.24.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
<ul>
<li>nginx-source-1.21.5-150600.10.24.1</li>
</ul>
</li>
<li>
Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>nginx-debugsource-1.21.5-150600.10.24.1</li>
<li>nginx-debuginfo-1.21.5-150600.10.24.1</li>
<li>nginx-1.21.5-150600.10.24.1</li>
</ul>
</li>
<li>
Server Applications Module 15-SP7 (noarch)
<ul>
<li>nginx-source-1.21.5-150600.10.24.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
<ul>
<li>nginx-debugsource-1.21.5-150600.10.24.1</li>
<li>nginx-debuginfo-1.21.5-150600.10.24.1</li>
<li>nginx-1.21.5-150600.10.24.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
<ul>
<li>nginx-source-1.21.5-150600.10.24.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-42055.html">https://www.suse.com/security/cve/CVE-2026-42055.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-48142.html">https://www.suse.com/security/cve/CVE-2026-48142.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1267525">https://bugzilla.suse.com/show_bug.cgi?id=1267525</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268492">https://bugzilla.suse.com/show_bug.cgi?id=1268492</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268495">https://bugzilla.suse.com/show_bug.cgi?id=1268495</a>
</li>
</ul>
</div>
--===============8895176432284734908==--