CVE-2023-31137 · cross-distro fix matrix

CVE-2023-31137: MaraDNS is open-source software that implements the Domain Name System (DNS). In version 3.5.0024 and prior, a remotely exploitable integer underflow vulnerability in the DNS packet decompression function allows an attacker to cause a Denial of Service by triggering an abnormal program termination.

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-31137 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

maradns→ fixed in2.0.13-1.4+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y maradns
```

Are YOU affected by CVE-2023-31137?

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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