Canonical Ubuntu Server 24.04 LTS (Noble Numbat) Update Version 1:1.3.dfsg-3.1ubuntu2.3
Your rating
Rate update installation process
Risk factor
No ratings yet. Be the first to rate this update.
AI enhanced content
Update Summary
USN-8954-1 addresses a zlib heap buffer overflow triggered by certain non-blocking write operations, which could cause denial of service or arbitrary code execution on Ubuntu 24.04 LTS.
Update Details
Security
- Fixed incorrect handling of certain non-blocking write operations that could allow a heap buffer overflow, resulting in denial of service or arbitrary code execution.
Hints
- Apply a standard system update to install the fixes.
- For Ubuntu 24.04 LTS (Noble), update zlib packages to version 1:1.3.dfsg-3.1ubuntu2.3.
Product Information
Vendor: Canonical
Product: Ubuntu Server
Product type: Software
Application category: Utilities
Platform: Linux
Variant: 24.04 LTS (Noble Numbat)
Version: 1:1.3.dfsg-3.1ubuntu2.3
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.