CVE-2023-38473 · cross-distro fix matrix

CVE-2023-38473: A vulnerability was found in Avahi. A reachable assertion exists in the avahi_alternative_host_name() function.

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-38473 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

avahi→ fixed in0.8-5+deb11u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y avahi
```

Debian bookworm

Source: Debian Security Tracker

avahi→ fixed in0.8-10+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y avahi
```

Debian trixie

Source: Debian Security Tracker

avahi→ fixed in0.8-14urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y avahi
```

Alpine v3.20

Source: Alpine secdb

avahi→ fixed in0.8-r14
```
apk update && apk add --upgrade avahi
```

Alpine v3.21

Source: Alpine secdb

avahi→ fixed in0.8-r14
```
apk update && apk add --upgrade avahi
```

Alpine edge

Source: Alpine secdb

avahi→ fixed in0.8-r14
```
apk update && apk add --upgrade avahi
```

Alpine v3.19

Source: Alpine secdb

avahi→ fixed in0.8-r14
```
apk update && apk add --upgrade avahi
```

Are YOU affected by CVE-2023-38473?

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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