CVE-2026-44899: Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as _num_re = re.compile(r"^\
Affects 0 Linux releases across 0 (distro × package) combinations. First disclosed: 2026-05-26.
Fix per ecosystem
Each block below is a distro release where CVE-2026-44899 has a known fix. Run the listed command on that distro to remediate.
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
CVE-2026-44899dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.
See StackPatch ($99 lifetime)