CVE-2023-26302 - CVE House
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Status published Low CVE-2023-26302

markdown-it-py CLI crash on invalid UTF-8 characters

Vulnerability Description

Denial of service could be caused to the command line interface of markdown-it-py, before v2.2.0, if an attacker was allowed to use invalid UTF-8 characters as input.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Mark Esler
  • Chris Sewell

Affected Vendor

Executable Books

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Affected Software

markdown-it-py
Vulnerable Versions:
0

Timeline

Official Publish: February 22nd, 2023
Last Modified: March 11th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.