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.
Published: 2020-07-01
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-26457 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.
History

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Subscriptions

Fedoraproject Fedora
Github Flavored Markdown Project Github Flavored Markdown
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-08-04T08:22:09.078Z

Reserved: 2020-01-02T00:00:00.000Z

Link: CVE-2020-5238

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-07-01T23:15:10.443

Modified: 2024-11-21T05:33:44.417

Link: CVE-2020-5238

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-07-01T00:00:00Z

Links: CVE-2020-5238 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses