UBUNTU-CVE-2022-34749

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2022-34749
Published: 25 Jul 2022, 23:15
Last modified:24 Oct 2025, 04:53

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

25 Jul 2022, 23:15
Published
Vulnerability first disclosed
24 Oct 2025, 04:53
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntu•mistune

    all | all | all | all

References (4)