CVE-2009-0858 · cross-distro fix matrix

CVE-2009-0858: The response_addname function in response.c in Daniel J. Bernstein djbdns 1.05 and earlier does not constrain offsets in the required manner, which allows remote attackers, with control over a third-party subdomain served by tinydns and axfrdns, to trigger DNS responses containing arbitrary records

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

Fix per ecosystem

Each block below is a distro release where CVE-2009-0858 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

djbdns→ fixed in1:1.05-5urgency: low

sudo apt-get install --only-upgrade -y djbdns

Debian bookworm

Source: Debian Security Tracker

djbdns→ fixed in1:1.05-5urgency: low

sudo apt-get install --only-upgrade -y djbdns

Debian trixie

Source: Debian Security Tracker

djbdns→ fixed in1:1.05-5urgency: low

sudo apt-get install --only-upgrade -y djbdns

Are YOU affected by CVE-2009-0858?

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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