CVE-2019-6474 · cross-distro fix matrix

CVE-2019-6474: A missing check on incoming client requests can be exploited to cause a situation where the Kea server's lease storage contains leases which are rejected as invalid when the server tries to load leases from storage on restart. If the number of such leases exceeds a hard-coded limit in the Kea code,

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-6474 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-2019-6474?

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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