{"api_version":"1","generated_at":"2026-07-23T22:43:36+00:00","cve":"CVE-2022-31099","urls":{"html":"https://cve.report/CVE-2022-31099","api":"https://cve.report/api/cve/CVE-2022-31099.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-31099","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-31099"},"summary":{"title":"CVE-2022-31099","description":"rulex is a new, portable, regular expression language. When parsing untrusted rulex expressions, the stack may overflow, possibly enabling a Denial of Service attack. This happens when parsing an expression with several hundred levels of nesting, causing the process to abort immediately. This is a security concern for you, if your service parses untrusted rulex expressions (expressions provided by an untrusted user), and your service becomes unavailable when the process running rulex aborts due to a stack overflow. The crash is fixed in version **0.4.3**. Affected users are advised to update to this version. There are no known workarounds for this issue.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2022-06-27 23:15:00","updated_at":"2022-07-11 14:26:00"},"problem_types":["CWE-674"],"metrics":[],"references":[{"url":"https://github.com/rulex-rs/rulex/commit/60aa2dc03a22d69c8800fec81f99c96958a11363","name":"https://github.com/rulex-rs/rulex/commit/60aa2dc03a22d69c8800fec81f99c96958a11363","refsource":"MISC","tags":[],"title":"Add recursion limit · rulex-rs/rulex@60aa2dc · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/rulex-rs/rulex/security/advisories/GHSA-v78m-2q7v-fjqp","name":"https://github.com/rulex-rs/rulex/security/advisories/GHSA-v78m-2q7v-fjqp","refsource":"CONFIRM","tags":[],"title":"Uncontrolled Recursion in rulex · Advisory · rulex-rs/rulex · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-31099","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-31099","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"31099","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"pomsky-lang","cpe5":"pomsky","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"rust","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2022-31099","STATE":"PUBLIC","TITLE":"Uncontrolled Recursion in rulex"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"rulex","version":{"version_data":[{"version_value":"< 0.4.3"}]}}]},"vendor_name":"rulex-rs"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"rulex is a new, portable, regular expression language. 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