{"id":"CVE-2020-1920","state":"PUBLISHED","title":"A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. Th","description":"A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1.","publishedAt":"2021-06-01T11:45:12.000Z","updatedAt":"2024-08-04T06:54:00.363Z","severity":null,"assigner":"facebook","products":["Facebook react-native"],"affected":[{"vendor":"Facebook","product":"react-native","versions":[{"version":"0.64.1","status":"unaffected","lessThan":"unspecified","versionType":"custom"},{"version":"0.59.0","status":"affected","lessThan":"unspecified","versionType":"custom"}]}],"references":["https://github.com/facebook/react-native/releases/tag/v0.64.1","https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7"],"weaknesses":["CWE-1333"],"ingestedAt":"2026-10-29T19:46:49.649Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/1xxx/CVE-2020-1920.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-1920","state":"PUBLISHED","datePublished":"2021-06-01T11:45:12.000Z","dateUpdated":"2024-08-04T06:54:00.363Z","assignerShortName":"facebook","assignerOrgId":"4fc57720-52fe-4431-a0fb-3d2c8747b827","dateReserved":"2019-12-02T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1."}],"affected":[{"vendor":"Facebook","product":"react-native","versions":[{"version":"0.64.1","status":"unaffected","lessThan":"unspecified","versionType":"custom"},{"version":"0.59.0","status":"affected","lessThan":"unspecified","versionType":"custom"}]}],"references":[{"url":"https://github.com/facebook/react-native/releases/tag/v0.64.1","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","description":"CWE-1333: Inefficient Regular Expression Complexity","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"facebook","dateUpdated":"2021-06-01T11:45:12.000Z","orgId":"4fc57720-52fe-4431-a0fb-3d2c8747b827"},"dateAssigned":"2020-12-11T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve-assign@fb.com","DATE_ASSIGNED":"2020-12-11","ID":"CVE-2020-1920","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"react-native","version":{"version_data":[{"version_affected":"!>=","version_value":"0.64.1"},{"version_affected":">=","version_value":"0.59.0"}]}}]},"vendor_name":"Facebook"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-1333: Inefficient Regular Expression Complexity"}]}]},"references":{"reference_data":[{"name":"https://github.com/facebook/react-native/releases/tag/v0.64.1","refsource":"CONFIRM","url":"https://github.com/facebook/react-native/releases/tag/v0.64.1"},{"name":"https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7","refsource":"MISC","url":"https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/facebook/react-native/releases/tag/v0.64.1","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T06:54:00.363Z"}}]}}}