{"id":"UBUNTU-CVE-2022-40023","details":"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.","modified":"2026-02-01T16:18:02.865592Z","published":"2022-09-07T13:15:00Z","related":["USN-5625-1","USN-5625-2"],"upstream":["CVE-2022-40023"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-40023"},{"type":"REPORT","url":"https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c"},{"type":"REPORT","url":"https://github.com/sqlalchemy/mako/issues/366"},{"type":"REPORT","url":"https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c"},{"type":"REPORT","url":"https://pyup.io/vulnerabilities/CVE-2022-40023/50870/"},{"type":"REPORT","url":"https://github.com/sqlalchemy/mako/blob/c2f392e0be52dc67d1b9770ab8cce6a9c736d547/mako/ext/extract.py#L21"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5625-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5625-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-40023"}],"affected":[{"package":{"name":"mako","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/mako@1.0.3+ds1-1ubuntu1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.3+ds1-1ubuntu1+esm1"}]}],"versions":["1.0.2+ds1-1","1.0.3+ds1-1","1.0.3+ds1-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.3+ds1-1ubuntu1+esm1","binary_name":"python-mako"},{"binary_version":"1.0.3+ds1-1ubuntu1+esm1","binary_name":"python3-mako"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-40023.json"}},{"package":{"name":"mako","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mako@1.0.7+ds1-1ubuntu0.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.7+ds1-1ubuntu0.2"}]}],"versions":["1.0.7+ds1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.7+ds1-1ubuntu0.2","binary_name":"python-mako"},{"binary_version":"1.0.7+ds1-1ubuntu0.2","binary_name":"python3-mako"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-40023.json"}},{"package":{"name":"mako","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/mako@1.1.0+ds1-1ubuntu2.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0+ds1-1ubuntu2.1"}]}],"versions":["1.0.7+ds1-1","1.1.0+ds1-1","1.1.0+ds1-1ubuntu1","1.1.0+ds1-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.0+ds1-1ubuntu2.1","binary_name":"python-mako"},{"binary_version":"1.1.0+ds1-1ubuntu2.1","binary_name":"python3-mako"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-40023.json"}},{"package":{"name":"mako","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/mako@1.1.3+ds1-2ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3+ds1-2ubuntu0.1"}]}],"versions":["1.1.3+ds1-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.3+ds1-2ubuntu0.1","binary_name":"python3-mako"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-40023.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}