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openSUSE Python-idna Moderate DoS Threat Vulnern 2026-2828-1

opensuse
Calendar Grey July 10, 2026
Dist Opensuse Esm H88
An update for python-idna addresses CVE-2026-45409 with moderate severity, ensuring system safety and functionality.
An update that solves one vulnerability can now be installed.

Description

This update for python-idna fixes the following issue

* CVE-2026-45409: specially crafted inputs to idna.encode() can bypass earlier

security fix (bsc#1265413).

Topics%20covered

Topics Covered

security advisory moderate security issue DoS OpenSUSE python-idna

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:

* Python 3 Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-2828=1

* Public Cloud Module 15-SP4

zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2026-2828=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-2828=1

Package List

* Python 3 Module 15-SP7 (noarch)

* python311-idna-3.4-150400.11.13.1

* Public Cloud Module 15-SP4 (noarch)

* python311-idna-3.4-150400.11.13.1

* openSUSE Leap 15.4 (noarch)

* python311-idna-3.4-150400.11.13.1

References

* bsc#1265413

## References:

* https://www.suse.com/security/cve/CVE-2026-45409.html

* https://bugzilla.suse.com/show_bug.cgi?id=1265413

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2828-1
Release Date: 2026-07-09T18:30:14Z
Affected Products: * openSUSE Leap 15.4 * Public Cloud Module 15-SP4 * Python 3 Module 15-SP7 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP7 * SUSE Manager Proxy 4.3 * SUSE Manager Retail Branch Server 4.3 * SUSE Manager Server 4.3

Topics%20covered

Topics Covered

security advisory moderate security issue DoS OpenSUSE python-idna

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