Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon) Update Version 1.21.2-3ubuntu0.5
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Update Summary
USN-8774-1 addresses security issues in libheif for Ubuntu Server 26.04 LTS. It fixes CVE-2026-62291 and CVE-2026-62377, which could allow denial of service and, in one case, arbitrary code execution.
Update Details
Security
- Incorrect handling of certain images could allow a denial of service or arbitrary code execution (CVE-2026-62291).
- Incorrect handling of certain image sequences could allow a denial of service (CVE-2026-62377).
Hints
- A standard system update installs the fixed packages.
- Affected Ubuntu Server 26.04 LTS packages are updated to version
1.21.2-3ubuntu0.5.
Product Information
Vendor: Canonical
Product: Ubuntu Server
Product type: Software
Application category: Utilities
Platform: Linux
Variant: 26.04 LTS (Resolute Raccoon)
Version: 1.21.2-3ubuntu0.5
Vendor release date: Sep 16, 2026
Original release notes: View on vendor site
Published on updatealert.io: Sep 17, 2026
Description: Server operating system for Linux infrastructure and workloads.