Ubuntu USN · USN-8495-1

nghttp2 vulnerability

Published: Thu, 02 Jul 2026 13:57

CVE-2026-58055

Summary

nghttp2 could allow unintended access to network services.

Details

It was discovered that the nghttp2 nghttpx proxy incorrectly handled HTTP/1.1 Upgrade requests that included a Content-Length header and body. A remote attacker could possibly use this issue to perform HTTP request and response smuggling attacks against backend services.

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu jammy

nghttp2→1.43.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.43.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-14→1.43.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.43.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-14
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-dev→1.43.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.43.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-doc→1.43.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.43.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2→1.43.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.43.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-client→1.43.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.43.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-client
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-proxy→1.43.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.43.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-proxy
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-server→1.43.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.43.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-server
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu noble

nghttp2→1.59.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.59.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-14→1.59.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.59.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-14
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-dev→1.59.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.59.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-doc→1.59.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.59.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2→1.59.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.59.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-client→1.59.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.59.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-client
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-proxy→1.59.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.59.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-proxy
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-server→1.59.0-1ubuntu0.4apt_upgrade
Standard apt upgrade. Install 1.59.0-1ubuntu0.4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-server
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu questing

nghttp2→1.64.0-1.1ubuntu1.2apt_upgrade
Standard apt upgrade. Install 1.64.0-1.1ubuntu1.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-14→1.64.0-1.1ubuntu1.2apt_upgrade
Standard apt upgrade. Install 1.64.0-1.1ubuntu1.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-14
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-dev→1.64.0-1.1ubuntu1.2apt_upgrade
Standard apt upgrade. Install 1.64.0-1.1ubuntu1.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-doc→1.64.0-1.1ubuntu1.2apt_upgrade
Standard apt upgrade. Install 1.64.0-1.1ubuntu1.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2→1.64.0-1.1ubuntu1.2apt_upgrade
Standard apt upgrade. Install 1.64.0-1.1ubuntu1.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-client→1.64.0-1.1ubuntu1.2apt_upgrade
Standard apt upgrade. Install 1.64.0-1.1ubuntu1.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-client
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-proxy→1.64.0-1.1ubuntu1.2apt_upgrade
Standard apt upgrade. Install 1.64.0-1.1ubuntu1.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-proxy
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-server→1.64.0-1.1ubuntu1.2apt_upgrade
Standard apt upgrade. Install 1.64.0-1.1ubuntu1.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-server
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu resolute

nghttp2→1.68.0-2ubuntu0.2apt_upgrade
Standard apt upgrade. Install 1.68.0-2ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-14→1.68.0-2ubuntu0.2apt_upgrade
Standard apt upgrade. Install 1.68.0-2ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-14
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-dev→1.68.0-2ubuntu0.2apt_upgrade
Standard apt upgrade. Install 1.68.0-2ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libnghttp2-doc→1.68.0-2ubuntu0.2apt_upgrade
Standard apt upgrade. Install 1.68.0-2ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libnghttp2-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2→1.68.0-2ubuntu0.2apt_upgrade
Standard apt upgrade. Install 1.68.0-2ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-client→1.68.0-2ubuntu0.2apt_upgrade
Standard apt upgrade. Install 1.68.0-2ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-client
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-proxy→1.68.0-2ubuntu0.2apt_upgrade
Standard apt upgrade. Install 1.68.0-2ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-proxy
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
nghttp2-server→1.68.0-2ubuntu0.2apt_upgrade
Standard apt upgrade. Install 1.68.0-2ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y nghttp2-server
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Are YOU affected by USN-8495-1?

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