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Case File

CVE-2020-5238

MEDIUM · CVSS 6.5 EPSS 1.57% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-07-01 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects GitHub. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-5238
Severity
MEDIUM
CVSS
6.5
EPSS
1.57%
GitHub

Original NVD Description

The table extension in GitHub Flavored Markdown before version 0.29.0.gfm.1 takes O(n * n) time to parse certain inputs. An attacker could craft a markdown table which would take an unreasonably long time to process, causing a denial of service. This issue does not affect the upstream cmark project. The issue has been fixed in version 0.29.0.gfm.1.

Related CVEs

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