{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-23556", "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "state": "PUBLISHED", "assignerShortName": "facebook", "dateReserved": "2023-01-12T23:36:42.921Z", "datePublished": "2023-05-18T21:16:43.874Z", "dateUpdated": "2024-08-02T10:35:32.836Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Hermes", "vendor": "Facebook", "versions": [{"lessThan": "a6dcafe6ded8e61658b40f5699878cd19a481f80", "status": "affected", "version": "0", "versionType": "git"}]}], "dateAssigned": "2023-01-12T00:00:00", "descriptions": [{"lang": "en", "value": "An error in BigInt conversion to Number in Hermes prior to commit a6dcafe6ded8e61658b40f5699878cd19a481f80 could have been used by a malicious attacker to execute arbitrary code due to an out-of-bound write. Note that this bug is only exploitable in cases where Hermes is used to execute untrusted JavaScript. Hence, most React Native applications are not affected."}], "problemTypes": [{"descriptions": [{"description": "CWE-787: Out-of-bounds Write", "lang": "en"}]}], "providerMetadata": {"orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook", "dateUpdated": "2023-05-18T21:19:26.192Z"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.facebook.com/security/advisories/cve-2023-23556"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/facebook/hermes/commit/a6dcafe6ded8e61658b40f5699878cd19a481f80"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T10:35:32.836Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.facebook.com/security/advisories/cve-2023-23556"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/facebook/hermes/commit/a6dcafe6ded8e61658b40f5699878cd19a481f80"}]}]}}

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