[HIGH] league/commonmark: Quadratic-time denial of service in the GitHub Flavored Markdown Table extension block-start scan

PKSA-m4t9-vsgq-8khn GHSA-3q6v-r5mr-hxv8

Affected package: league/commonmark

Affected version: >=2.0.0,<=2.10.1

Reported by:
GitHub