CVE-2019-15680 · cross-distro fix matrix

CVE-2019-15680: TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-15680 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

tightvnc→ fixed in1:1.3.9-9.1urgency: unimportant
```
sudo apt-get install --only-upgrade -y tightvnc
```

Debian bookworm

Source: Debian Security Tracker

tightvnc→ fixed in1:1.3.9-9.1urgency: unimportant
```
sudo apt-get install --only-upgrade -y tightvnc
```

Debian trixie

Source: Debian Security Tracker

tightvnc→ fixed in1:1.3.9-9.1urgency: unimportant
```
sudo apt-get install --only-upgrade -y tightvnc
```

Are YOU affected by CVE-2019-15680?

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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