CVE-2022-34749

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-1333

Affected software

No affected versions have been published.

Timeline

Published
Jul 25, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2022

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CVE-2022-34749: High severity, CVSS 7.5 | Vulnix