CVE-2023-31147 · cross-distro fix matrix

CVE-2023-31147: c-ares is an asynchronous resolver library. When /dev/urandom or RtlGenRandom() are unavailable, c-ares uses rand() to generate random numbers used for DNS query ids. This is not a CSPRNG, and it is also not seeded by srand() so will generate predictable output. Input from the random number generato

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-31147 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

c-ares→ fixed in1.19.1-2urgency: unimportant

sudo apt-get install --only-upgrade -y c-ares

Are YOU affected by CVE-2023-31147?

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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