CVE-2020-14383 · cross-distro fix matrix

CVE-2020-14383: A flaw was found in samba's DNS server. An authenticated user could use this flaw to the RPC server to crash. This RPC server, which also serves protocols other than dnsserver, will be restarted after a short delay, but it is easy for an authenticated non administrative attacker to crash it again as

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-14383 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

samba→ fixed in2:4.13.2+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y samba
```

Debian bookworm

Source: Debian Security Tracker

samba→ fixed in2:4.13.2+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y samba
```

Debian trixie

Source: Debian Security Tracker

samba→ fixed in2:4.13.2+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y samba
```

Alpine v3.20

Source: Alpine secdb

samba→ fixed in4.12.9-r0
```
apk update && apk add --upgrade samba
```

Alpine v3.21

Source: Alpine secdb

samba→ fixed in4.12.9-r0
```
apk update && apk add --upgrade samba
```

Alpine edge

Source: Alpine secdb

samba→ fixed in4.12.9-r0
```
apk update && apk add --upgrade samba
```

Alpine v3.18

Source: Alpine secdb

samba→ fixed in4.12.9-r0
```
apk update && apk add --upgrade samba
```

Alpine v3.19

Source: Alpine secdb

samba→ fixed in4.12.9-r0
```
apk update && apk add --upgrade samba
```

Are YOU affected by CVE-2020-14383?

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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Continuous monitoring beats manual checking

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