Vulnerability Details CVE-2022-40023
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.022
EPSS Ranking 81.4%
CVSS Severity
CVSS v3 Score 7.5
References
- https://github.com/sqlalchemy/mako/blob/c2f392e0be52dc67d1b9770ab8cce6a9c736d547/mako/ext/extract.py#L21
- https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c
- https://github.com/sqlalchemy/mako/issues/366
- https://lists.debian.org/debian-lts-announce/2022/09/msg00026.html
- https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/
- https://pyup.io/vulnerabilities/CVE-2022-40023/50870/
- https://github.com/sqlalchemy/mako/blob/c2f392e0be52dc67d1b9770ab8cce6a9c736d547/mako/ext/extract.py#L21
- https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c
- https://github.com/sqlalchemy/mako/issues/366
- https://lists.debian.org/debian-lts-announce/2022/09/msg00026.html
- https://lists.debian.org/debian-lts-announce/2025/12/msg00004.html
- https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/
- https://pyup.io/vulnerabilities/CVE-2022-40023/50870/
Products affected by CVE-2022-40023
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cpe:2.3:a:sqlalchemy:mako:-
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cpe:2.3:a:sqlalchemy:mako:0.1.0
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cpe:2.3:a:sqlalchemy:mako:0.1.1
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cpe:2.3:a:sqlalchemy:mako:0.1.10
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cpe:2.3:a:sqlalchemy:mako:0.1.2
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cpe:2.3:a:sqlalchemy:mako:0.1.3
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cpe:2.3:a:sqlalchemy:mako:0.1.4
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cpe:2.3:a:sqlalchemy:mako:0.1.5
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cpe:2.3:a:sqlalchemy:mako:0.1.6
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cpe:2.3:a:sqlalchemy:mako:0.1.7
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cpe:2.3:a:sqlalchemy:mako:0.1.8
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cpe:2.3:a:sqlalchemy:mako:0.1.9
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cpe:2.3:a:sqlalchemy:mako:0.2.0
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cpe:2.3:a:sqlalchemy:mako:0.2.1
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cpe:2.3:a:sqlalchemy:mako:0.2.2
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cpe:2.3:a:sqlalchemy:mako:0.2.3
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cpe:2.3:a:sqlalchemy:mako:0.2.4
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cpe:2.3:a:sqlalchemy:mako:0.2.5
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cpe:2.3:a:sqlalchemy:mako:0.3.0
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cpe:2.3:a:sqlalchemy:mako:0.3.1
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cpe:2.3:a:sqlalchemy:mako:0.3.2
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cpe:2.3:a:sqlalchemy:mako:0.3.3
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cpe:2.3:a:sqlalchemy:mako:0.3.4
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cpe:2.3:a:sqlalchemy:mako:0.3.5
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cpe:2.3:a:sqlalchemy:mako:0.3.6
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cpe:2.3:a:sqlalchemy:mako:0.4.0
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cpe:2.3:a:sqlalchemy:mako:0.4.1
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cpe:2.3:a:sqlalchemy:mako:0.4.2
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cpe:2.3:a:sqlalchemy:mako:0.5.0
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cpe:2.3:a:sqlalchemy:mako:0.6.0
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cpe:2.3:a:sqlalchemy:mako:0.6.1
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cpe:2.3:a:sqlalchemy:mako:0.6.2
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cpe:2.3:a:sqlalchemy:mako:0.7.0
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cpe:2.3:a:sqlalchemy:mako:0.7.1
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cpe:2.3:a:sqlalchemy:mako:0.7.2
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cpe:2.3:a:sqlalchemy:mako:0.7.3
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cpe:2.3:a:sqlalchemy:mako:0.8.0
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cpe:2.3:a:sqlalchemy:mako:0.8.1
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cpe:2.3:a:sqlalchemy:mako:0.9.0
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cpe:2.3:a:sqlalchemy:mako:0.9.1
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cpe:2.3:a:sqlalchemy:mako:1.0.0
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cpe:2.3:a:sqlalchemy:mako:1.0.1
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cpe:2.3:a:sqlalchemy:mako:1.0.10
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cpe:2.3:a:sqlalchemy:mako:1.0.11
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cpe:2.3:a:sqlalchemy:mako:1.0.12
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cpe:2.3:a:sqlalchemy:mako:1.0.13
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cpe:2.3:a:sqlalchemy:mako:1.0.14
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cpe:2.3:a:sqlalchemy:mako:1.0.2
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cpe:2.3:a:sqlalchemy:mako:1.0.3
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cpe:2.3:a:sqlalchemy:mako:1.0.4
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cpe:2.3:a:sqlalchemy:mako:1.0.5
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cpe:2.3:a:sqlalchemy:mako:1.0.6
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cpe:2.3:a:sqlalchemy:mako:1.0.7
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cpe:2.3:a:sqlalchemy:mako:1.0.8
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cpe:2.3:a:sqlalchemy:mako:1.0.9
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cpe:2.3:a:sqlalchemy:mako:1.1.0
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cpe:2.3:a:sqlalchemy:mako:1.1.1
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cpe:2.3:a:sqlalchemy:mako:1.1.2
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cpe:2.3:a:sqlalchemy:mako:1.1.3
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cpe:2.3:a:sqlalchemy:mako:1.1.4
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cpe:2.3:a:sqlalchemy:mako:1.1.5
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cpe:2.3:a:sqlalchemy:mako:1.1.6
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cpe:2.3:a:sqlalchemy:mako:1.2.0
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cpe:2.3:a:sqlalchemy:mako:1.2.1
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cpe:2.3:o:debian:debian_linux:10.0