CVE-2021-41687 · cross-distro fix matrix

CVE-2021-41687: DCMTK through 3.6.6 does not handle memory free properly. The program malloc a heap memory for parsing data, but does not free it when error in parsing. Sending specific requests to the dcmqrdb program incur the memory leak. An attacker can use it to launch a DoS attack.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-41687 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

dcmtk→ fixed in3.6.5-1+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dcmtk
```

Debian bookworm

Source: Debian Security Tracker

dcmtk→ fixed in3.6.7-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dcmtk
```

Debian trixie

Source: Debian Security Tracker

dcmtk→ fixed in3.6.7-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dcmtk
```

Are YOU affected by CVE-2021-41687?

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

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Continuous monitoring beats manual checking

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