CVE-2019-6250 · cross-distro fix matrix

CVE-2019-6250: A pointer overflow, with code execution, was discovered in ZeroMQ libzmq (aka 0MQ) 4.2.x and 4.3.x before 4.3.1. A v2_decoder.cpp zmq::v2_decoder_t::size_ready integer overflow allows an authenticated attacker to overwrite an arbitrary amount of bytes beyond the bounds of a buffer, which can be leve

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-6250 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

zeromq3→ fixed in4.3.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zeromq3
```

Debian bookworm

Source: Debian Security Tracker

zeromq3→ fixed in4.3.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zeromq3
```

Debian trixie

Source: Debian Security Tracker

zeromq3→ fixed in4.3.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zeromq3
```

Alpine v3.20

Source: Alpine secdb

zeromq→ fixed in4.3.1-r0
```
apk update && apk add --upgrade zeromq
```

Alpine v3.21

Source: Alpine secdb

zeromq→ fixed in4.3.1-r0
```
apk update && apk add --upgrade zeromq
```

Alpine edge

Source: Alpine secdb

zeromq→ fixed in4.3.1-r0
```
apk update && apk add --upgrade zeromq
```

Alpine v3.18

Source: Alpine secdb

zeromq→ fixed in4.3.1-r0
```
apk update && apk add --upgrade zeromq
```

Alpine v3.19

Source: Alpine secdb

zeromq→ fixed in4.3.1-r0
```
apk update && apk add --upgrade zeromq
```

Are YOU affected by CVE-2019-6250?

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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