SCA: security update for markdown-it (GHSA-253c-mchw-3w2r)

high Tenable Self-Hosted Container Security Plugin ID 448494

Description

markdown-it linkify: true has two quadratic paths, so a few hundred KB of markdown blocks the event loop for tens of seconds

Solution

Update the markdown-it library and its related packages to version 14.3.1 or later.

See Also

https://github.com/advisories/GHSA-253c-mchw-3w2r

Plugin Details

Severity: High

ID: 448494

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 9/29/2026

Updated: 9/29/2026

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/29/2026

Vulnerability Publication Date: 9/29/2026

Reference Information