Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish) Update Version 2.6.3-1ubuntu3.9
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Update Summary
USN-8718-1 addresses an SSSD vulnerability where specially crafted input could crash the daemon. Ubuntu 22.04 LTS (jammy) is fixed by updating `sssd-common` to 2.6.3-1ubuntu3.9.
Update Details
Security
- SSSD did not properly validate authentication token lengths when processing PAM responder requests, which could allow a local attacker to crash SSSD and cause a denial of service.
Hints
- After a standard system update, restart
sssdto apply all changes.
Product Information
Vendor: Canonical
Product: Ubuntu Server
Product type: Software
Application category: Utilities
Platform: Linux
Variant: 22.04 LTS (Jammy Jellyfish)
Version: 2.6.3-1ubuntu3.9
Vendor release date: Sep 3, 2026
Original release notes: View on vendor site
Published on updatealert.io: Sep 4, 2026
Description: Server operating system for Linux infrastructure and workloads.