CVE-2019-3871 · cross-distro fix matrix

CVE-2019-3871: A vulnerability was found in PowerDNS Authoritative Server before 4.0.7 and before 4.1.7. An insufficient validation of data coming from the user when building a HTTP request from a DNS query in the HTTP Connector of the Remote backend, allowing a remote user to cause a denial of service by making t

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-3871 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

pdns→ fixed in4.1.6-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pdns
```

Debian bookworm

Source: Debian Security Tracker

pdns→ fixed in4.1.6-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pdns
```

Debian trixie

Source: Debian Security Tracker

pdns→ fixed in4.1.6-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pdns
```

Alpine v3.20

Source: Alpine secdb

pdns→ fixed in4.1.7-r0
```
apk update && apk add --upgrade pdns
```

Alpine v3.21

Source: Alpine secdb

pdns→ fixed in4.1.7-r0
```
apk update && apk add --upgrade pdns
```

Alpine edge

Source: Alpine secdb

pdns→ fixed in4.1.7-r0
```
apk update && apk add --upgrade pdns
```

Alpine v3.18

Source: Alpine secdb

pdns→ fixed in4.1.7-r0
```
apk update && apk add --upgrade pdns
```

Alpine v3.19

Source: Alpine secdb

pdns→ fixed in4.1.7-r0
```
apk update && apk add --upgrade pdns
```

Are YOU affected by CVE-2019-3871?

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.

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