The marked module is vulnerable to a regular expression denial of service. Based on the information published in the public issue, 1k characters can block for around 6 seconds.
{ "binaries": [ { "binary_name": "libjs-marked", "binary_version": "0.3.2+dfsg-1" }, { "binary_name": "node-marked", "binary_version": "0.3.2+dfsg-1" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-16114.json"