Improper Input Validation Affecting pandoc-common package, versions <0:2.0.6-5.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.18% (86th percentile)

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  • Snyk IDSNYK-RHEL8-PANDOCCOMMON-4049945
  • published26 Jul 2021
  • disclosed1 Jul 2020

Introduced: 1 Jul 2020

CVE-2020-5238  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:8 pandoc-common to version 0:2.0.6-5.el8 or higher.
This issue was patched in RHSA-2021:1972.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pandoc-common package and not the pandoc-common package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1