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python: Python stringprep module: Incorrect domain name processing breaks IDNA interoperability

🗓️ 02 Oct 2026 09:58:32Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Incorrect domain name processing in Python stringprep module breaks IDNA interoperability.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64python3.103.10.22-1.hum1python3.10-3.10.22-1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64python3.103.10.22-1.hum1python3.10-3.10.22-1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64python3.10-debug3.10.22-1.hum1python3.10-debug-3.10.22-1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64python3.10-debug3.10.22-1.hum1python3.10-debug-3.10.22-1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64python3.10-devel3.10.22-1.hum1python3.10-devel-3.10.22-1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64python3.10-devel3.10.22-1.hum1python3.10-devel-3.10.22-1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64python3.10-idle3.10.22-1.hum1python3.10-idle-3.10.22-1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64python3.10-idle3.10.22-1.hum1python3.10-idle-3.10.22-1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64python3.10-libs3.10.22-1.hum1python3.10-libs-3.10.22-1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64python3.10-libs3.10.22-1.hum1python3.10-libs-3.10.22-1.hum1.x86_64.rpm
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02 Oct 2026 14:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 46
EPSS0.00721
SSVC
6