CVE-2022-34749

Advisory

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 package

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

• https://nvd.nist.gov/vuln/detail/CVE-2022-34749
• https://github.com/advisories/GHSA-fw3v-x4f2-v673
• https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2
• https://github.com/lepture/mistune/releases
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34749
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/