CVE-2024-58382 — league/commonmark before 2.6.0 Denial of Service via Quadratic Complexity
league/commonmark versions before 2.6.0 contain polynomial time complexity vulnerabilities in Markdown parsing that allow attackers to cause denial of service. Attackers can sub…
Published: 2026-09-09 · CVSS: 8.7 · CVSS 4.0
league/commonmark versions before 2.6.0 contain polynomial time complexity vulnerabilities in Markdown parsing that allow attackers to cause denial of service. Attackers can submit carefully crafted Markdown inputs designed to trigger worst-case performance, and sending multiple requests in parallel exhausts CPU resources and PHP-FPM processes.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7