CVE-2022-40023

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:sqlalchemy:mako:*:*:*:*:*:*:*:*", "matchCriteriaId": "A85380F0-0A58-4E13-B3E3-3DC01E7ABF3F", "versionEndExcluding": "1.2.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Sqlalchemy mako versiones anteriores a 1.2.2, es vulnerable a una Denegaci\u00f3n de Servicio de expresiones Regulares cuando es usada la clase Lexer para analizar. Esto tambi\u00e9n afecta a babelplugin y linguaplugin"}], "id": "CVE-2022-40023", "lastModified": "2026-06-17T05:00:47.023", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-09-07T13:15:09.953", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/sqlalchemy/mako/blob/c2f392e0be52dc67d1b9770ab8cce6a9c736d547/mako/ext/extract.py#L21"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/sqlalchemy/mako/issues/366"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00026.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://pyup.io/vulnerabilities/CVE-2022-40023/50870/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/sqlalchemy/mako/blob/c2f392e0be52dc67d1b9770ab8cce6a9c736d547/mako/ext/extract.py#L21"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/sqlalchemy/mako/issues/366"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00026.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/12/msg00004.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://pyup.io/vulnerabilities/CVE-2022-40023/50870/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:2893", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "python-mako-0:1.0.6-14.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-05-16T00:00:00Z"}, {"advisory": "RHSA-2023:2258", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "python-mako-0:1.1.4-6.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}], "bugzilla": {"description": "python-mako: REDoS in Lexer class", "id": "2128977", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2128977"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-1333", "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.", "A vulnerability was found in the mako package. Affected versions of this package are vulnerable to Regular expression denial of service (ReDoS) attacks, affecting system availability."], "name": "CVE-2022-40023", "package_state": [{"cpe": "cpe:/a:redhat:ceph_storage:3", "fix_state": "Out of support scope", "package_name": "python-pecan", "product_name": "Red Hat Ceph Storage 3"}, {"cpe": "cpe:/a:redhat:ceph_storage:4", "fix_state": "Affected", "package_name": "python-pecan", "product_name": "Red Hat Ceph Storage 4"}, {"cpe": "cpe:/a:redhat:ceph_storage:5", "fix_state": "Affected", "package_name": "python-pecan", "product_name": "Red Hat Ceph Storage 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "python-mako", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "python-mako", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "resource-agents", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "resource-agents", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:openshift_container_storage:4", "fix_state": "Affected", "package_name": "python-pecan", "product_name": "Red Hat Openshift Container Storage 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Affected", "package_name": "python-pecan", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Out of support scope", "package_name": "python-pecan", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:openstack:16.1", "fix_state": "Not affected", "package_name": "python-pecan", "product_name": "Red Hat OpenStack Platform 16.1"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Not affected", "package_name": "python-pecan", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:17.0", "fix_state": "Not affected", "package_name": "python-pecan", "product_name": "Red Hat OpenStack Platform 17.0"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Affected", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}], "public_date": "2022-09-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-40023\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-40023\nhttps://pyup.io/vulnerabilities/CVE-2022-40023/50870/"], "threat_severity": "Moderate"}

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