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openSUSE NGINX Important Denial Service Memory Overflow Vuln 2026-2370-1

opensuse
Calendar Grey June 11, 2026
Dist Opensuse Esm H88
Update for openSUSE patches important issues in nginx addressing seven vulnerabilities with significant risks to security.
An update that solves seven vulnerabilities can now be installed.

Description

This update for nginx fixes the following issues

* CVE-2026-9256: heap buffer overflow in the `ngx_http_rewrite_module` when

using a configuration with overlapping captures (bsc#1266215).

* CVE-2026-27651: denial of service via undisclosed requests when the

`ngx_mail_auth_http_module` is enabled (bsc#1260415).

* CVE-2026-32647: NGINX worker memory over-read or over-write via a specially

crafted MP4 file (bsc#1260420).

* CVE-2026-40701: heap use-after-free in the worker process when the

`ssl_verify_client` and the `ssl_ocsp` directives are set due to issue in

the `ngx_http_ssl_module` module (bsc#1265229).

* CVE-2026-42934: heap buffer overread in the worker process due to issue in

the `ngx_http_charset_module` module (bsc#1265231).

* CVE-2026-42945: heap buffer overflow via crafted HTTP requests due to issue

in `ngx_http_rewrite_module` (bsc#1265232).

* CVE-2026-42946: excessive memory allocation and data overread due to issue

in the...

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Topics%20covered

Topics Covered

security advisory denial of service important nginx memory overflow OpenSUSE

Patch

## 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 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2370=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2370=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-2370=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2370=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2370=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2370=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2370=1

* SUSE Linux...

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Package List

* SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)

* nginx-source-1.21.5-150400.3.20.1

* SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)

* nginx-debugsource-1.21.5-150400.3.20.1

* nginx-1.21.5-150400.3.20.1

* nginx-debuginfo-1.21.5-150400.3.20.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)

* nginx-debugsource-1.21.5-150400.3.20.1

* nginx-1.21.5-150400.3.20.1

* nginx-debuginfo-1.21.5-150400.3.20.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)

* nginx-source-1.21.5-150400.3.20.1

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)

* nginx-debugsource-1.21.5-150400.3.20.1

* nginx-debuginfo-1.21.5-150400.3.20.1

* nginx-1.21.5-150400.3.20.1

* openSUSE Leap 15.4 (noarch)

* nginx-source-1.21.5-150400.3.20.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)

* nginx-debugsource-1.21.5-150400.3.20.1

* nginx-1.21.5-150400.3.20.1

* nginx-debuginfo-1.21.5-150400.3.20.1

* SUSE Linux Enterprise Server for SAP...

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References

* bsc#1260415

* bsc#1260420

* bsc#1265229

* bsc#1265231

* bsc#1265232

* bsc#1265233

* bsc#1266215

## References:

* https://www.suse.com/security/cve/CVE-2026-27651.html

* https://www.suse.com/security/cve/CVE-2026-32647.html

* https://www.suse.com/security/cve/CVE-2026-40701.html

* https://www.suse.com/security/cve/CVE-2026-42934.html

* https://www.suse.com/security/cve/CVE-2026-42945.html

* https://www.suse.com/security/cve/CVE-2026-42946.html

* https://www.suse.com/security/cve/CVE-2026-9256.html

* https://bugzilla.suse.com/show_bug.cgi?id=1260415

* https://bugzilla.suse.com/show_bug.cgi?id=1260420

* https://bugzilla.suse.com/show_bug.cgi?id=1265229

* https://bugzilla.suse.com/show_bug.cgi?id=1265231

* https://bugzilla.suse.com/show_bug.cgi?id=1265232

* https://bugzilla.suse.com/show_bug.cgi?id=1265233

* https://bugzilla.suse.com/show_bug.cgi?id=1266215

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2370-1
Release Date: 2026-06-11T13:23:43Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory denial of service important nginx memory overflow OpenSUSE

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