Alerts This Week
Warning Icon 1 677
Alerts This Week
Warning Icon 1 677

openSUSE nginx Important Denial of Service Buffer Overflow Fix 2026-2050-1

opensuse
Calendar Grey May 25, 2026
Dist Opensuse Esm H88
Update for nginx fixes six security issues with important ratings to ensure system integrity
An update that solves six vulnerabilities can now be installed.

Description

This update for nginx fixes the following issues

* 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 `ngx_http_scgi_module` and `ngx_http_uwsgi_module` modules

(bsc#1265233).

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow important nginx 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:

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-2050=1

* Server Applications Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2050=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2050=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2050=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* nginx-debuginfo-1.21.5-150600.10.18.1

* nginx-1.21.5-150600.10.18.1

* nginx-debugsource-1.21.5-150600.10.18.1

* openSUSE Leap 15.6 (noarch)

* nginx-source-1.21.5-150600.10.18.1

* Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)

* nginx-debuginfo-1.21.5-150600.10.18.1

* nginx-1.21.5-150600.10.18.1

* nginx-debugsource-1.21.5-150600.10.18.1

* Server Applications Module 15-SP7 (noarch)

* nginx-source-1.21.5-150600.10.18.1

* SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)

* nginx-debuginfo-1.21.5-150600.10.18.1

* nginx-1.21.5-150600.10.18.1

* nginx-debugsource-1.21.5-150600.10.18.1

* SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)

* nginx-source-1.21.5-150600.10.18.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)

* nginx-debuginfo-1.21.5-150600.10.18.1

* nginx-1.21.5-150600.10.18.1

* nginx-debugsource-1.21.5-150600.10.18.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6...

Read the Full Advisory

References

* bsc#1260415

* bsc#1260420

* bsc#1265229

* bsc#1265231

* bsc#1265232

* bsc#1265233

## 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://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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2050-1
Release Date: 2026-05-25T13:58:45Z
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

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow important nginx OpenSUSE

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here