Ubuntu USN · USN-8380-1

Twisted vulnerability

Published: Wed, 03 Jun 2026 13:59

CVE-2026-42304

Summary

Twisted could be made to crash if it received specially crafted network traffic.

Details

It was discovered that Twisted incorrectly handled DNS name decompression. A remote attacker could possibly use this issue to cause Twisted to consume excessive resources, leading to a denial of service.

Recommended actions per Ubuntu release

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

Ubuntu jammy

twisted→22.1.0-2ubuntu2.7apt_upgrade
Standard apt upgrade. Install 22.1.0-2ubuntu2.7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y twisted
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python3-twisted→22.1.0-2ubuntu2.7apt_upgrade
Standard apt upgrade. Install 22.1.0-2ubuntu2.7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-twisted
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
twisted-doc→22.1.0-2ubuntu2.7apt_upgrade
Standard apt upgrade. Install 22.1.0-2ubuntu2.7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y twisted-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu noble

twisted→24.3.0-1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 24.3.0-1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y twisted
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python3-twisted→24.3.0-1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 24.3.0-1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-twisted
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
twisted-doc→24.3.0-1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 24.3.0-1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y twisted-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu questing

twisted→24.11.0-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 24.11.0-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y twisted
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python3-twisted→24.11.0-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 24.11.0-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-twisted
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
twisted-doc→24.11.0-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 24.11.0-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y twisted-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu resolute

twisted→25.5.0-5ubuntu0.1apt_upgrade
Standard apt upgrade. Install 25.5.0-5ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y twisted
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python3-twisted→25.5.0-5ubuntu0.1apt_upgrade
Standard apt upgrade. Install 25.5.0-5ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-twisted
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
twisted-doc→25.5.0-5ubuntu0.1apt_upgrade
Standard apt upgrade. Install 25.5.0-5ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y twisted-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

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