CVE-2023-4408 · cross-distro fix matrix

CVE-2023-4408: The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected `named` instance by exploiting this flaw. This issue affects bo

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-4408 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

bind9→ fixed in1:9.16.48-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bind9
```

Debian bookworm

Source: Debian Security Tracker

bind9→ fixed in1:9.18.24-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bind9
```

Debian trixie

Source: Debian Security Tracker

bind9→ fixed in1:9.19.21-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bind9
```

Alpine v3.20

Source: Alpine secdb

bind→ fixed in9.18.24-r0
```
apk update && apk add --upgrade bind
```

Alpine v3.21

Source: Alpine secdb

bind→ fixed in9.18.24-r0
```
apk update && apk add --upgrade bind
```

Alpine edge

Source: Alpine secdb

bind→ fixed in9.18.24-r0
```
apk update && apk add --upgrade bind
```

Alpine v3.18

Source: Alpine secdb

bind→ fixed in9.18.24-r0
```
apk update && apk add --upgrade bind
```

Alpine v3.19

Source: Alpine secdb

bind→ fixed in9.18.24-r0
```
apk update && apk add --upgrade bind
```

Are YOU affected by CVE-2023-4408?

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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