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Canonical Ubuntu Server 24.04 LTS (Noble Numbat) Update Version libssh2-1t64 1.11.0-4.1ubuntu0.24.04.4

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Update Summary

USN-8722-1 addresses multiple libssh2 security issues on Ubuntu Server 24.04 LTS (noble). A standard system update installs libssh2-1t64 1.11.0-4.1ubuntu0.24.04.4. Reference IDs: CVE-2026-66032, CVE-2026-66033, CVE-2026-66035.

Update Details

Security

  • Fixes a crash or possible arbitrary code execution issue in libssh2 when handling certain SFTP server responses (CVE-2026-66032).
  • Fixes a denial-of-service issue caused by incorrect AES-GCM cipher negotiation handling (CVE-2026-66033).
  • Fixes a crash or possible arbitrary code execution issue in libssh2 when handling Encrypt-then-MAC cipher negotiation (CVE-2026-66035).

Hints

  • A standard system update will apply the fix.
  • For Ubuntu 24.04 LTS noble, update libssh2-1t64 to 1.11.0-4.1ubuntu0.24.04.4.

Product Information

Vendor: Canonical

Product: Ubuntu Server

Product type: Software

Application category: Utilities

Platform: Linux

Variant: 24.04 LTS (Noble Numbat)

Version: libssh2-1t64 1.11.0-4.1ubuntu0.24.04.4

Vendor release date: Sep 3, 2026

Original release notes: View on vendor site

Published on updatealert.io: Sep 6, 2026

Description: Server operating system for Linux infrastructure and workloads.

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