All the vulnerabilities related to the version 1.3.5 of the package
Uncontrolled Resource Consumption in markdown-it
Special patterns with length > 50K chars can slow down parser significantly.
const md = require('markdown-it')();
md.render(`x ${' '.repeat(150000)} x \nx`);
Upgrade to v12.3.2+
No.
Fix + test sample: https://github.com/markdown-it/markdown-it/commit/ffc49ab46b5b751cd2be0aabb146f2ef84986101
Regular Expression Denial of Service in markdown
All versions of markdown are vulnerable to Regular Expression Denial of Service (ReDoS). The markdown.toHTML() function has significantly degraded performance when parsing long strings containing underscores. This may lead to Denial of Service if the parser accepts user input.
No fix is currently available. Consider using an alternative package until a fix is made available.
Arbitrary local file read vulnerability during template rendering
Directory traversal vulnerability in swig-templates thru 2.0.4 and swig thru 1.4.2, allows attackers to read arbitrary files via the include or extends tags.