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openSUSE Leap 15.3: nginx Moderate Security Flaws Fix 2025:03089-1

opensuse
Calendar Grey September 5, 2025
Dist Opensuse Esm H88
This update addresses security flaws in nginx on openSUSE Leap 15.3, fixing an issue related to session management and preventing inadvertent data leaks.
An update that solves two vulnerabilities can now be installed.

Description

This update for nginx fixes the following issues:

* CVE-2025-53859: the server side may leak arbitrary bytes during the NGINX

SMTP authentication process (bsc#1248070).

* CVE-2025-23419: session resumption can bypass client certificate

authentication requirements using TLSv1.3 (bsc#1236851).

Topics%20covered

Topics Covered

security advisory moderate nginx OpenSUSE session resumption arbitrary byte leakage

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 15.3

zypper in -t patch SUSE-2025-3089=1

Package List

* openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586)

* nginx-1.19.8-150300.3.18.1

* nginx-debuginfo-1.19.8-150300.3.18.1

* nginx-debugsource-1.19.8-150300.3.18.1

* openSUSE Leap 15.3 (noarch)

* vim-plugin-nginx-1.19.8-150300.3.18.1

* nginx-source-1.19.8-150300.3.18.1

References

* bsc#1236851

* bsc#1248070

## References:

* https://www.suse.com/security/cve/CVE-2025-23419.html

* https://www.suse.com/security/cve/CVE-2025-53859.html

* https://bugzilla.suse.com/show_bug.cgi?id=1236851

* https://bugzilla.suse.com/show_bug.cgi?id=1248070

Announcement ID: SUSE-SU-2025:03089-1
Release Date: 2025-09-05T10:39:06Z
Affected Products: * openSUSE Leap 15.3

Topics%20covered

Topics Covered

security advisory moderate nginx OpenSUSE session resumption arbitrary byte leakage

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