Canonical Ubuntu Server 24.04 LTS (Noble Numbat) Update Version 6.4.0-1ubuntu0.6
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Update Summary
USN-8952-1 addresses multiple Tornado vulnerabilities in Ubuntu 24.04 LTS, including denial-of-service, sensitive-information exposure, and access-control bypass risks.
Update Details
Security
- Tornado improperly handled certain HTTP requests and network inputs, allowing attackers to cause denial of service, expose sensitive information, or bypass access controls.
- CVE-2023-54397
- CVE-2024-14029
- CVE-2026-91990
- CVE-2026-91992
- CVE-2026-103262
- CVE-2026-103263
Hints
- A standard system update installs the necessary fixes.
- For Ubuntu 24.04 LTS Noble, update python3-tornado to version 6.4.0-1ubuntu0.6.
Product Information
Vendor: Canonical
Product: Ubuntu Server
Product type: Software
Application category: Utilities
Platform: Linux
Variant: 24.04 LTS (Noble Numbat)
Version: 6.4.0-1ubuntu0.6
Vendor information published: Oct 22, 2026
Original release notes: View on vendor site
Published on updatealert.io: Oct 23, 2026
Description: Server operating system for Linux infrastructure and workloads.