CVE-2026-33259 · cross-distro fix matrix

CVE-2026-33259: Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider.

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-33259 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

pdns-recursor→ fixed in5.2.9-0+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pdns-recursor
```

Alpine edge

Source: Alpine secdb

pdns-recursor→ fixed in5.4.1-r0

apk update && apk add --upgrade pdns-recursor

Are YOU affected by CVE-2026-33259?

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

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