CVE-2018-13458 · cross-distro fix matrix

CVE-2018-13458: qh_core in Nagios Core 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attackers to cause a local denial-of-service condition by sending a crafted payload to the listening UNIX socket.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-13458 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

nagios4→ fixed in4.3.4-3urgency: low

sudo apt-get install --only-upgrade -y nagios4

Debian bookworm

Source: Debian Security Tracker

nagios4→ fixed in4.3.4-3urgency: low

sudo apt-get install --only-upgrade -y nagios4

Debian trixie

Source: Debian Security Tracker

nagios4→ fixed in4.3.4-3urgency: low

sudo apt-get install --only-upgrade -y nagios4

Are YOU affected by CVE-2018-13458?

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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