CVE-2020-15166 · cross-distro fix matrix

CVE-2020-15166: In ZeroMQ before version 4.3.3, there is a denial-of-service vulnerability. Users with TCP transport public endpoints, even with CURVE/ZAP enabled, are impacted. If a raw TCP socket is opened and connected to an endpoint that is fully configured with CURVE/ZAP, legitimate clients will not be able to

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-15166 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

zeromq3→ fixed in4.3.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zeromq3
```

Debian bookworm

Source: Debian Security Tracker

zeromq3→ fixed in4.3.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zeromq3
```

Debian trixie

Source: Debian Security Tracker

zeromq3→ fixed in4.3.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zeromq3
```

Alpine v3.20

Source: Alpine secdb

zeromq→ fixed in4.3.3-r0
```
apk update && apk add --upgrade zeromq
```

Alpine v3.21

Source: Alpine secdb

zeromq→ fixed in4.3.3-r0
```
apk update && apk add --upgrade zeromq
```

Alpine edge

Source: Alpine secdb

zeromq→ fixed in4.3.3-r0
```
apk update && apk add --upgrade zeromq
```

Alpine v3.18

Source: Alpine secdb

zeromq→ fixed in4.3.3-r0
```
apk update && apk add --upgrade zeromq
```

Alpine v3.19

Source: Alpine secdb

zeromq→ fixed in4.3.3-r0
```
apk update && apk add --upgrade zeromq
```

Are YOU affected by CVE-2020-15166?

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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