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SUSE Linux Micro python-idna Moderate CVE-2026-45409 Security Update

suse
Calendar Grey June 2, 2026
Dist Suse Esm H88
SUSE publishes a moderate security update for python-idna to address a CVE issue related to idna.encode() inputs.
An update that solves one vulnerability can now be installed.

Summary

## 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). ## 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 Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-553=1 ## Package List: * SUSE Linux Micro 6.1 (noarch) * python311-idna-3.7-slfo.1.1_2.1

Topics%20covered

Topics Covered

security advisory moderate security issue SuSE DoS python-idna

References

* bsc#1265413

Cross-

* CVE-2026-45409

CVSS scores:

* CVE-2026-45409 ( SUSE ): 6.9

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

* CVE-2026-45409 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Products:

* SUSE Linux Micro 6.1

An update that solves one vulnerability can now be installed.

##

* 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-2026:21873-1
Release Date: 2026-05-28T15:00:00Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security issue SuSE DoS python-idna

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