CVE-2026-8450 · cross-distro fix matrix

CVE-2026-8450: It was discovered that HTTP-Daemon incorrectly handled untrusted input

Affects 8 Linux releases across 8 (distro × package) combinations. First disclosed: 2026-05-27.

CVSS v3:CRITICAL · 9.1(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-8450 has a known fix. Run the listed command on that distro to remediate.

Ubuntu bionic

Source: Ubuntu USN

libhttp-daemon-perl→ fixed in6.01-1ubuntu0.1+esm1USN-8419-1
```
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```

Ubuntu focal

Source: Ubuntu USN

libhttp-daemon-perl→ fixed in6.06-1ubuntu0.1+esm1USN-8419-1
```
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```

Ubuntu jammy

Source: Ubuntu USN

libhttp-daemon-perl→ fixed in6.13-1ubuntu0.2USN-8419-1

sudo apt-get install --only-upgrade -y libhttp-daemon-perl

Ubuntu noble

Source: Ubuntu USN

libhttp-daemon-perl→ fixed in6.16-1ubuntu0.24.04.1USN-8419-1
```
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```

Ubuntu questing

Source: Ubuntu USN

libhttp-daemon-perl→ fixed in6.16-1ubuntu0.25.10.1USN-8419-1
```
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```

Ubuntu resolute

Source: Ubuntu USN

libhttp-daemon-perl→ fixed in6.16-1ubuntu0.26.04.1USN-8419-1
```
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```

Ubuntu trusty

Source: Ubuntu USN

libhttp-daemon-perl→ fixed in6.01-1ubuntu0.14.04~esm2USN-8419-1
```
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```

Ubuntu xenial

Source: Ubuntu USN

libhttp-daemon-perl→ fixed in6.01-1ubuntu0.16.04~esm2USN-8419-1
```
sudo apt-get install --only-upgrade -y libhttp-daemon-perl
```

Are YOU affected by CVE-2026-8450?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

CVE-2026-8450dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

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