CVE-2018-20022 · cross-distro fix matrix

CVE-2018-20022: LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak sta

Affects 3 Linux releases across 12 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-20022 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libvncserver→ fixed in0.9.11+dfsg-1.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libvncserver
```
ssvnc→ fixed in1.0.29-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ssvnc
```
tightvnc→ fixed in1:1.3.9-9.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tightvnc
```
veyon→ fixed in4.1.4+repack1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y veyon
```

Debian bookworm

Source: Debian Security Tracker

libvncserver→ fixed in0.9.11+dfsg-1.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libvncserver
```
ssvnc→ fixed in1.0.29-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ssvnc
```
tightvnc→ fixed in1:1.3.9-9.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tightvnc
```
veyon→ fixed in4.1.4+repack1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y veyon
```

Debian trixie

Source: Debian Security Tracker

libvncserver→ fixed in0.9.11+dfsg-1.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libvncserver
```
ssvnc→ fixed in1.0.29-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ssvnc
```
tightvnc→ fixed in1:1.3.9-9.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tightvnc
```
veyon→ fixed in4.1.4+repack1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y veyon
```

Are YOU affected by CVE-2018-20022?

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

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