Ubuntu USN · USN-8419-1

HTTP-Daemon vulnerability

Published: Wed, 10 Jun 2026 13:49

CVE-2026-8450

Summary

HTTP-Daemon could be made to run programs if it received specially crafted network traffic.

Details

It was discovered that HTTP-Daemon incorrectly handled untrusted input under certain circumstances. A remote attacker could possibly use this issue to execute arbitrary commands, create or overwrite arbitrary files, or expose sensitive information.

Recommended actions per Ubuntu release

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

Ubuntu bionic

libhttp-daemon-perl→6.01-1ubuntu0.1+esm1apt_upgrade
Standard apt upgrade. Install 6.01-1ubuntu0.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libhttp-daemon-perl→6.01-1ubuntu0.1+esm1apt_upgrade
Standard apt upgrade. Install 6.01-1ubuntu0.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu focal

libhttp-daemon-perl→6.06-1ubuntu0.1+esm1apt_upgrade
Standard apt upgrade. Install 6.06-1ubuntu0.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libhttp-daemon-perl→6.06-1ubuntu0.1+esm1apt_upgrade
Standard apt upgrade. Install 6.06-1ubuntu0.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu jammy

libhttp-daemon-perl→6.13-1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 6.13-1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libhttp-daemon-perl→6.13-1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 6.13-1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu noble

libhttp-daemon-perl→6.16-1ubuntu0.24.04.1apt_upgrade
Standard apt upgrade. Install 6.16-1ubuntu0.24.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libhttp-daemon-perl→6.16-1ubuntu0.24.04.1apt_upgrade
Standard apt upgrade. Install 6.16-1ubuntu0.24.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu questing

libhttp-daemon-perl→6.16-1ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 6.16-1ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libhttp-daemon-perl→6.16-1ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 6.16-1ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu resolute

libhttp-daemon-perl→6.16-1ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 6.16-1ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libhttp-daemon-perl→6.16-1ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 6.16-1ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu trusty

libhttp-daemon-perl→6.01-1ubuntu0.14.04~esm2apt_upgrade_esm
Fixed at 6.01-1ubuntu0.14.04~esm2 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl=6.01-1ubuntu0.14.04~esm2
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
libhttp-daemon-perl→6.01-1ubuntu0.14.04~esm2apt_upgrade_esm
Fixed at 6.01-1ubuntu0.14.04~esm2 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl=6.01-1ubuntu0.14.04~esm2
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu xenial

libhttp-daemon-perl→6.01-1ubuntu0.16.04~esm2apt_upgrade_esm
Fixed at 6.01-1ubuntu0.16.04~esm2 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl=6.01-1ubuntu0.16.04~esm2
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
libhttp-daemon-perl→6.01-1ubuntu0.16.04~esm2apt_upgrade_esm
Fixed at 6.01-1ubuntu0.16.04~esm2 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libhttp-daemon-perl=6.01-1ubuntu0.16.04~esm2
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Are YOU affected by USN-8419-1?

5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether USN-8419-1 (and any other live CVE) applies. Anonymous, no signup.

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