StackPatch is liveSee product

Back to CVE digest
CVE-2019-3806 · cross-distro fix matrix

CVE-2019-3806: An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly bypassing security policies enforced using Lua.

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-3806 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • pdns-recursor→ fixed in4.1.9-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y pdns-recursor

Debian bookworm

Source: Debian Security Tracker

  • pdns-recursor→ fixed in4.1.9-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y pdns-recursor

Debian trixie

Source: Debian Security Tracker

  • pdns-recursor→ fixed in4.1.9-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y pdns-recursor

Alpine v3.20

Source: Alpine secdb

  • pdns-recursor→ fixed in4.1.9-r0
    apk update && apk add --upgrade pdns-recursor

Alpine v3.21

Source: Alpine secdb

  • pdns-recursor→ fixed in4.1.9-r0
    apk update && apk add --upgrade pdns-recursor

Alpine edge

Source: Alpine secdb

  • pdns-recursor→ fixed in4.1.9-r0
    apk update && apk add --upgrade pdns-recursor

Alpine v3.18

Source: Alpine secdb

  • pdns-recursor→ fixed in4.1.9-r0
    apk update && apk add --upgrade pdns-recursor

Alpine v3.19

Source: Alpine secdb

  • pdns-recursor→ fixed in4.1.9-r0
    apk update && apk add --upgrade pdns-recursor
Are YOU affected by CVE-2019-3806?

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
Form-based quickscan View on NVD
Continuous monitoring beats manual checking

CVE-2019-3806dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)