commonmark vulnerabilities (Ubuntu)

2 vulnerabilities.

• commonmark Ubuntu league/commonmark: Quadratic-time denial of service when parsing crafted Markdown CVE-2026-71488 Fix available 7.5 HighAugust 6, 2026
• commonmark Ubuntu league/commonmark: AttributesExtension href/src unsafe-link filter bypass via embedded control bytes CVE-2026-71478 Fix available 6.1 MediumAugust 6, 2026