CVE-2009-4022 · cross-distro fix matrix

CVE-2009-4022: Unspecified vulnerability in ISC BIND 9.0.x through 9.3.x, 9.4 before 9.4.3-P4, 9.5 before 9.5.2-P1, 9.6 before 9.6.1-P2, and 9.7 beta before 9.7.0b3, with DNSSEC validation enabled and checking disabled (CD), allows remote attackers to conduct DNS cache poisoning attacks by receiving a recursive cl

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2009-4022 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

bind9→ fixed in1:9.6.1.dfsg.P2-1urgency: medium
```
sudo apt-get install --only-upgrade -y bind9
```

Debian bookworm

Source: Debian Security Tracker

bind9→ fixed in1:9.6.1.dfsg.P2-1urgency: medium
```
sudo apt-get install --only-upgrade -y bind9
```

Debian trixie

Source: Debian Security Tracker

bind9→ fixed in1:9.6.1.dfsg.P2-1urgency: medium
```
sudo apt-get install --only-upgrade -y bind9
```

Are YOU affected by CVE-2009-4022?

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

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