CVE-2023-26437 · cross-distro fix matrix

CVE-2023-26437: Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-26437 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

pdns-recursor→ fixed in4.8.4-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pdns-recursor
```

Debian trixie

Source: Debian Security Tracker

pdns-recursor→ fixed in4.8.4-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pdns-recursor
```

Are YOU affected by CVE-2023-26437?

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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