Upstream information

CVE-2022-34749 at MITRE


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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
  National Vulnerability Database
Base Score 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1201862 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • python310-mistune >= 2.0.4-1.1
  • python310-mistune2 >= 2.0.5-1.1
  • python311-mistune2 >= 2.0.5-1.1
  • python38-mistune >= 2.0.4-1.1
  • python39-mistune >= 2.0.4-1.1
  • python39-mistune2 >= 2.0.5-1.1

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Module for Package Hub 15 SP5 python-mistune Unsupported
SUSE Linux Enterprise Module for Package Hub 15 SP6 python-mistune Unsupported
openSUSE Leap 15.5 python-mistune Unsupported
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Module for Package Hub 15 SP4 python-mistune Unsupported
openSUSE Leap 15.3 python-mistune Unsupported
openSUSE Leap 15.4 python-mistune Unsupported

SUSE Timeline for this CVE

CVE page created: Tue Jul 26 04:00:02 2022
CVE page last modified: Tue Jul 2 20:07:32 2024