CVE-2019-6473 · cross-distro fix matrix

CVE-2019-6473: An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.

Affects 7 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-6473 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

isc-kea→ fixed in1.7.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y isc-kea
```

Debian trixie

Source: Debian Security Tracker

isc-kea→ fixed in1.7.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y isc-kea
```

Alpine v3.20

Source: Alpine secdb

kea→ fixed in1.7.2-r0
```
apk update && apk add --upgrade kea
```

Alpine v3.21

Source: Alpine secdb

kea→ fixed in1.7.2-r0
```
apk update && apk add --upgrade kea
```

Alpine edge

Source: Alpine secdb

kea→ fixed in1.7.2-r0
```
apk update && apk add --upgrade kea
```

Alpine v3.18

Source: Alpine secdb

kea→ fixed in1.7.2-r0
```
apk update && apk add --upgrade kea
```

Alpine v3.19

Source: Alpine secdb

kea→ fixed in1.7.2-r0
```
apk update && apk add --upgrade kea
```

Are YOU affected by CVE-2019-6473?

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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