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SUSE Linux Micro Python IDNA Vulnerability Fix Released

SUSE Linux Micro Python IDNA Vulnerability Fix Released

First seen 2 Jun 2026, 22:39 UTC • •
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ThreatCluster AI
ThreatCluster •June 3, 2026 at 22:12 UTC
  • •CVE-2026-45409 allows bypassing of earlier security fixes in python-idna.
  • •The vulnerability affects SUSE Linux Micro versions 6.0 and 6.1.
  • •Users should apply the patch immediately to mitigate risks.

A security update for python-idna has been released to address CVE-2026-45409, which allows specially crafted inputs to idna.encode() to bypass previous security measures. This affects SUSE Linux Micro 6.0 and 6.1 installations. The vulnerability has a moderate severity rating, with a CVSS score of 4.0. Users are advised to apply the patch using recommended installation methods such as YaST or zypper. The update was released on May 28, 2026, and is crucial for maintaining system security against potential exploitation. The issue is confirmed to affect multiple versions of the python-idna package.

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Timeline

2026-05-28
SUSE releases python-idna security update
SUSE issued patches for CVE-2026-45409 affecting python-idna in versions 6.0 and 6.1.
Linuxsecurity
2026-05-28
CVE-2026-45409 disclosed
The vulnerability allows specially crafted inputs to bypass earlier security fixes, confirmed by SUSE.
Linuxsecurity

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