CVE-2022-34749: High severity Mistune Project Mistune vulnerability
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
pip/mistuneto a version that resolves this vulnerability.Fixed in 2.0.3 - Upgrade
Upgrade
redhat/mistuneto a version that resolves this vulnerability.Fixed in 2.0.3
Event History
Frequently Asked Questions
What is the severity of CVE-2022-34749?
CVE-2022-34749 is considered a medium severity vulnerability due to the potential for catastrophic backtracking in regular expressions.
How do I fix CVE-2022-34749?
To fix CVE-2022-34749, upgrade Mistune to version 2.0.3 or later.
Which versions of Mistune are affected by CVE-2022-34749?
CVE-2022-34749 affects Mistune versions up to 2.0.2.
Is CVE-2022-34749 specific to certain operating systems or distributions?
CVE-2022-34749 may impact systems using affected versions of Mistune, including those running Fedora 37.
Does CVE-2022-34749 affect IBM Cognos Analytics?
Yes, CVE-2022-34749 affects IBM Cognos Analytics versions up to 12.0.3 and 11.2.4 FP4.