CVE-2022-40023
HIGH 7.5
At a glance
- Source
- NVD
- EPSS
- EPSS 2.17 % · percentile 82 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-1333 — Inefficient Regular Expression Complexity
References
- https://github.com/sqlalchemy/mako/issues/366
- https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c
- https://github.com/sqlalchemy/mako/blob/c2f392e0be52dc67d1b9770ab8cce6a9c736d547/mako/ext/extract.py#L21
- https://pyup.io/vulnerabilities/CVE-2022-40023/50870/
- https://lists.debian.org/debian-lts-announce/2022/09/msg00026.html
- https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/
- https://lists.debian.org/debian-lts-announce/2025/12/msg00004.html
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-v973-fxgf-6xhp — mako is vulnerable to Regular Expression Denial of Service
- PYSEC-2022-260 — 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 lingua
European references
- ENISA EUVD · EUVD-2022-0149
- GCVE · GCVE-0-2022-40023
CERT-FR advisories
- CERTFR-2026-AVI-0627 — Multiples vulnérabilités dans les produits Splunk · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0701 — Multiples vulnérabilités dans Splunk · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0428 — Multiples vulnérabilités dans les produits Splunk · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:sqlalchemy:mako:*:*:*:*:*:*:*:*< 1.2.2cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |