ubuntu-cve-2022-40023
Vulnerability from osv_ubuntu
Published
2022-09-07 13:15
Modified
2025-09-08 16:50
Summary
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.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "python-mako",
            "binary_version": "1.0.3+ds1-1ubuntu1+esm1"
          },
          {
            "binary_name": "python3-mako",
            "binary_version": "1.0.3+ds1-1ubuntu1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "mako",
        "purl": "pkg:deb/ubuntu/mako@1.0.3+ds1-1ubuntu1+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.3+ds1-1ubuntu1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.2+ds1-1",
        "1.0.3+ds1-1",
        "1.0.3+ds1-1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python-mako",
            "binary_version": "1.0.7+ds1-1ubuntu0.2"
          },
          {
            "binary_name": "python3-mako",
            "binary_version": "1.0.7+ds1-1ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "mako",
        "purl": "pkg:deb/ubuntu/mako@1.0.7+ds1-1ubuntu0.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.7+ds1-1ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.7+ds1-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python-mako",
            "binary_version": "1.1.0+ds1-1ubuntu2.1"
          },
          {
            "binary_name": "python3-mako",
            "binary_version": "1.1.0+ds1-1ubuntu2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "mako",
        "purl": "pkg:deb/ubuntu/mako@1.1.0+ds1-1ubuntu2.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.0+ds1-1ubuntu2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.7+ds1-1",
        "1.1.0+ds1-1",
        "1.1.0+ds1-1ubuntu1",
        "1.1.0+ds1-1ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python3-mako",
            "binary_version": "1.1.3+ds1-2ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "mako",
        "purl": "pkg:deb/ubuntu/mako@1.1.3+ds1-2ubuntu0.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.3+ds1-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.3+ds1-2"
      ]
    }
  ],
  "aliases": [],
  "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.",
  "id": "UBUNTU-CVE-2022-40023",
  "modified": "2025-09-08T16:50:23Z",
  "published": "2022-09-07T13:15:00Z",
  "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"
    }
  ],
  "related": [
    "USN-5625-1",
    "USN-5625-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2022-40023"
  ]
}



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