CVE-2022-40023

Advisory

Mako before 1.2.2 is vulnerable to Regular expression Denial of Service when using the Lexer class to parse. This also affects babelplugin and linguaplugin.
https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages

Affected package

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

• https://pypi.org/project/mako
• https://pyup.io/changelogs/mako/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40023
• https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c
• https://pyup.io/vulnerabilities/CVE-2022-40023/50870/
• https://github.com/sqlalchemy/mako/issues/366
• https://github.com/sqlalchemy/mako/blob/c2f392e0be52dc67d1b9770ab8cce6a9c736d547/mako/ext/extract.py#L21
• https://lists.debian.org/debian-lts-announce/2022/09/msg00026.html
• https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/