CVE-2026-6507 · cross-distro fix matrix

CVE-2026-6507: It was discovered that Dnsmasq incorrectly handled BOOTREPLY packets when

Affects 1 Linux release across 4 (distro × package) combinations. First disclosed: 2026-05-26.

Fix per ecosystem

Each block below is a distro release where CVE-2026-6507 has a known fix. Run the listed command on that distro to remediate.

Ubuntu resolute

Source: Ubuntu USN

dnsmasq→ fixed in2.92-1ubuntu0.3USN-8308-1

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

dnsmasq-base→ fixed in2.92-1ubuntu0.3USN-8308-1

sudo apt-get install --only-upgrade -y dnsmasq-base

dnsmasq-base-lua→ fixed in2.92-1ubuntu0.3USN-8308-1

sudo apt-get install --only-upgrade -y dnsmasq-base-lua

dnsmasq-utils→ fixed in2.92-1ubuntu0.3USN-8308-1

sudo apt-get install --only-upgrade -y dnsmasq-utils

Are YOU affected by CVE-2026-6507?

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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