CVEvulnerability
CVE-2022-40023
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-09-07
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-1333
Description
Sqlalchemy 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.
Affected configurations
• sqlalchemy mako (< 1.2.2)
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-1333 Inefficient Regular Expression Complexity weakness
References
- https://github.com/sqlalchemy/mako/blob/c2f392e0be52dc67d1b9770ab8cce6a9c736d547/mako/ext/extract.py#L21 Exploit, Third Party Advisory
- https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c Patch
- https://github.com/sqlalchemy/mako/issues/366 Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2022/09/msg00026.html Mailing List, Third Party Advisory
- https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/ Exploit, Third Party Advisory
- https://pyup.io/vulnerabilities/CVE-2022-40023/50870/ Third Party Advisory
- https://github.com/sqlalchemy/mako/blob/c2f392e0be52dc67d1b9770ab8cce6a9c736d547/mako/ext/extract.py#L21 Exploit, Third Party Advisory
- https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c Patch
- https://github.com/sqlalchemy/mako/issues/366 Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2022/09/msg00026.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/12/msg00004.html lists.debian.org
- https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/ Exploit, Third Party Advisory
- https://pyup.io/vulnerabilities/CVE-2022-40023/50870/ Third Party Advisory