{"api_version":"1","generated_at":"2026-04-23T02:37:37+00:00","cve":"CVE-2022-3996","urls":{"html":"https://cve.report/CVE-2022-3996","api":"https://cve.report/api/cve/CVE-2022-3996.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-3996","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-3996"},"summary":{"title":"CVE-2022-3996","description":"If an X.509 certificate contains a malformed policy constraint and policy processing is enabled, then a write lock will be taken twice recursively. On some operating systems (most widely: Windows) this results in a denial of service when the affected process hangs. Policy processing being enabled on a publicly facing server is not considered to be a common setup. Policy processing is enabled by passing the `-policy' argument to the command line utilities or by calling the `X509_VERIFY_PARAM_set1_policies()' function. 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On some operating systems (most widely: Windows) this results in a denial of service when the affected process hangs. Policy processing being enabled on a publicly facing server is not considered to be a common setup. Policy processing is enabled by passing the `-policy' argument to the command line utilities or by calling the `X509_VERIFY_PARAM_set1_policies()' function. Update (31 March 2023): The description of the policy processing enablement was corrected based on CVE-2023-0466."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-667 Improper Locking","cweId":"CWE-667"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"OpenSSL","product":{"product_data":[{"product_name":"OpenSSL","version":{"version_data":[{"version_affected":"<=","version_name":"3.0.0","version_value":"3.0.7"}]}}]}}]}},"references":{"reference_data":[{"url":"https://www.openssl.org/news/secadv/20221213.txt","refsource":"MISC","name":"https://www.openssl.org/news/secadv/20221213.txt"},{"url":"https://github.com/openssl/openssl/commit/7725e7bfe6f2ce8146b6552b44e0d226be7638e7","refsource":"MISC","name":"https://github.com/openssl/openssl/commit/7725e7bfe6f2ce8146b6552b44e0d226be7638e7"}]},"generator":{"engine":"Vulnogram 0.1.0-dev"},"source":{"discovery":"UNKNOWN"},"credits":[{"lang":"en","value":"Polar Bear"},{"lang":"en","value":"Paul Dale"}]},"nvd":{"publishedDate":"2022-12-13 16:15:00","lastModifiedDate":"2023-11-07 03:52:00","problem_types":["CWE-667"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0.0","versionEndIncluding":"3.0.7","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}