Canonical Ubuntu Server Updates

Name: Canonical Ubuntu Server
Brand: Canonical

Software Utilities Linux

Here you will find all software, firmware, and hardware updates from Canonical Ubuntu Server.

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A total of 21 updates have been released for Ubuntu Server.

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Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Platform: Linux

View 189 Updates

Ubuntu Server 24.04 LTS (Noble Numbat)

Platform: Linux

View 221 Updates

Ubuntu Server 26.04 LTS (Resolute Raccoon)

Platform: Linux

View 206 Updates

Updates

Latest vendor release: Oct 29, 2026

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USN-8958-1 fixes three .NET security issues affecting Ubuntu 26.04 LTS, including arbitrary code execution, denial of service, and local privilege escalation vulnerabilities. Reference IDs: CVE-2026-102870, CVE-2026-111497, CVE-2026-114148.

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 29, 2026

10.0.14-0ubuntu1~26.04.1

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 29, 2026

10.0.14-0ubuntu1~26.04.1

USN-8958-1 fixes three .NET vulnerabilities in Ubuntu 24.04 LTS, including arbitrary code execution, denial of service, and local privilege escalation issues. Reference IDs: CVE-2026-102870, CVE-2026-111497, CVE-2026-114148.

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 29, 2026

.NET 8.0.33 and 10.0.14

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 29, 2026

.NET 8.0.33 and 10.0.14

USN-8958-1 fixes .NET 8 vulnerabilities in Brotli decompression and file ownership handling, addressing denial-of-service, arbitrary-code-execution, and local privilege-escalation risks on Ubuntu 22.04 LTS.

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 29, 2026

dotnet8 8.0.133-8.0.33-0ubuntu1~22.04.1

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 29, 2026

dotnet8 8.0.133-8.0.33-0ubuntu1~22.04.1

USN-8956-1 addresses CVE-2026-111497 in Brotli, which could enable denial of service or arbitrary code execution through specially crafted compressed streams. Ubuntu 26.04 LTS receives Brotli package version 1.2.0-3ubuntu0.1.

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 26, 2026

1.2.0-3ubuntu0.1

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 26, 2026

1.2.0-3ubuntu0.1

USN-8955-1 fixes five nginx vulnerabilities in Ubuntu 26.04 LTS, including denial-of-service, arbitrary-code-execution, request-injection, and client-certificate-verification issues.

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 26, 2026

nginx 1.28.3-2ubuntu1.12

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 26, 2026

nginx 1.28.3-2ubuntu1.12

USN-8956-1 addresses CVE-2026-111497 in Brotli, which could allow denial of service or arbitrary code execution through specially crafted compressed streams.

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 26, 2026

1.1.0-2ubuntu0.1

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 26, 2026

1.1.0-2ubuntu0.1

USN-8955-1 fixes multiple nginx vulnerabilities in Ubuntu 24.04 LTS, including denial-of-service or arbitrary-code-execution flaws and an SSL session forgery issue.

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 26, 2026

nginx 1.24.0-2ubuntu7.19

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 26, 2026

nginx 1.24.0-2ubuntu7.19

USN-8956-1 fixes a Brotli vulnerability that could cause denial of service or arbitrary code execution through specially crafted compressed streams. Ubuntu 22.04 LTS packages are updated to version 1.0.9-2ubuntu0.1. Reference IDs: CVE-2026-111497.

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 26, 2026

brotli, libbrotli1, python3-brotli 1.0.9-2ubuntu0.1

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 26, 2026

brotli, libbrotli1, python3-brotli 1.0.9-2ubuntu0.1

USN-8955-1 updates nginx on Ubuntu 22.04 LTS to address vulnerabilities that could enable denial of service or arbitrary code execution.

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 26, 2026

nginx 1.18.0-6ubuntu14.22

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 26, 2026

nginx 1.18.0-6ubuntu14.22

USN-8953-1 fixes an OpenVPN certificate subject handling vulnerability that could let a remote authenticated user impersonate other users. Ubuntu 22.04 LTS Jammy updates OpenVPN to 2.5.11-0ubuntu0.22.04.6.

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 22, 2026

openvpn 2.5.11-0ubuntu0.22.04.6

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 22, 2026

openvpn 2.5.11-0ubuntu0.22.04.6

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USN-8952-1 addresses Tornado vulnerabilities that could enable denial of service, sensitive information exposure, or access-control bypass through crafted HTTP requests and network inputs.

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 22, 2026

python3-tornado 6.1.0-3ubuntu0.1~esm6

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 22, 2026

python3-tornado 6.1.0-3ubuntu0.1~esm6

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 26.04 LTS.

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 22, 2026

zlib 1:1.3.dfsg+really1.3.1-1ubuntu3.2

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 22, 2026

zlib 1:1.3.dfsg+really1.3.1-1ubuntu3.2

USN-8953-1 addresses an OpenVPN certificate subject handling vulnerability that could let a remote authenticated user impersonate another user on Ubuntu 26.04 LTS.

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 22, 2026

2.7.0-1ubuntu1.4

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 22, 2026

2.7.0-1ubuntu1.4

USN-8952-1 addresses Tornado vulnerabilities in Ubuntu 26.04 LTS that could enable denial of service, sensitive information exposure, or access-control bypass through crafted network traffic.

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 22, 2026

6.5.4-0.1ubuntu0.2

Security update Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon)

Oct 22, 2026

6.5.4-0.1ubuntu0.2

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.

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 22, 2026

1:1.3.dfsg-3.1ubuntu2.3

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 22, 2026

1:1.3.dfsg-3.1ubuntu2.3

USN-8953-1 addresses an OpenVPN certificate subject handling issue that could let a remote authenticated user impersonate another user on Ubuntu 24.04 LTS.

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 22, 2026

2.6.19-0ubuntu0.24.04.5

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 22, 2026

2.6.19-0ubuntu0.24.04.5

USN-8952-1 addresses multiple Tornado vulnerabilities in Ubuntu 24.04 LTS, including denial-of-service, sensitive-information exposure, and access-control bypass risks.

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 22, 2026

6.4.0-1ubuntu0.6

Security update Canonical Ubuntu Server 24.04 LTS (Noble Numbat)

Oct 22, 2026

6.4.0-1ubuntu0.6

USN-8951-1 fixes a c-ares DNS parsing vulnerability on Ubuntu 22.04 LTS that could allow remote attackers to cause excessive resource consumption and denial of service.

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 21, 2026

libc-ares2 1.18.1-1ubuntu0.22.04.4

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 21, 2026

libc-ares2 1.18.1-1ubuntu0.22.04.4

USN-8947-1 updates NSS for Ubuntu 22.04 LTS by removing compromised intermediate CA certificates and their associated root certificates.

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 21, 2026

libnss3 2:3.98-0ubuntu0.22.04.5

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 21, 2026

libnss3 2:3.98-0ubuntu0.22.04.5

USN-8950-1 addresses a poppler vulnerability in Ubuntu 22.04 LTS that could allow denial of service through specially crafted encrypted PDF files.

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 21, 2026

22.02.0-2ubuntu0.15

Security update Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish)

Oct 21, 2026

22.02.0-2ubuntu0.15

Follow Ubuntu Server for updates

Get notified when new software, firmware, or hardware updates are released for Ubuntu Server.