CVE-2026-48988

A flaw was found in markdown-it, a Markdown parser. A remote attacker could exploit this vulnerability to cause a Denial of Service DoS when the typographer option is enabled. This occurs due to inefficient processing of smartquotes, leading to excessive CPU consumption when parsing specially...

CVE-2026-48988

markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic On^2 processing in the smartquotes rule. The issue stems from repeatedly modifying strings with replaceAt, which performs On slicing and...

Inefficient Algorithmic Complexity

Overview markdown-it is a modern pluggable markdown parser. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the replaceAt function in the smartquotes rule when processing markdown input with a large number of consecutive quotation marks and the...

Inefficient Algorithmic Complexity

Overview org.webjars.npm:markdown-it is a modern pluggable markdown parser. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the replaceAt function in the smartquotes rule when processing markdown input with a large number of consecutive quotation mar...