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Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish) Update Version 6.3-2ubuntu0.3

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Update Summary

USN-8709-1 fixes a vulnerability in ncurses where specially crafted terminfo database entries could cause applications to crash. Ubuntu 22.04 LTS users should update to the patched ncurses packages.

Update Details

Security

  • ncurses incorrectly handled specially crafted terminfo database entries, allowing a local attacker to cause application crashes and denial of service.

Hints

  • A standard system update will install the necessary fixes.
  • Ubuntu 22.04 LTS jammy package versions: libncurses5, libncurses6, libtinfo5, libtinfo6, and ncurses-bin should be updated to 6.3-2ubuntu0.3.

Product Information

Vendor: Canonical

Product: Ubuntu Server

Product type: Software

Application category: Utilities

Platform: Linux

Variant: 22.04 LTS (Jammy Jellyfish)

Version: 6.3-2ubuntu0.3

Vendor release date: Sep 1, 2026

Original release notes: View on vendor site

Published on updatealert.io: Sep 2, 2026

Description: Server operating system for Linux infrastructure and workloads.

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