CVE-2023-32067 · cross-distro fix matrix

CVE-2023-32067: c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service. If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously interprets the 0 length as a graceful shut

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-32067 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

c-ares→ fixed in1.17.1-1+deb11u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y c-ares
```

Debian bookworm

Source: Debian Security Tracker

c-ares→ fixed in1.18.1-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y c-ares
```

Debian trixie

Source: Debian Security Tracker

c-ares→ fixed in1.18.1-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y c-ares
```

Are YOU affected by CVE-2023-32067?

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

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