{"id":"CVE-2024-21524","details":"All versions of the package node-stringbuilder are vulnerable to Out-of-bounds Read due to incorrect memory length calculation, by calling ToBuffer, ToString, or CharAt on a StringBuilder object with a non-empty string value input. It's possible to return previously allocated memory, for example, by providing negative indexes, leading to an Information Disclosure.","aliases":["GHSA-g533-xq5w-jmf3"],"modified":"2026-08-12T03:51:37.735659626Z","published":"2024-07-10T05:00:05.257Z","database_specific":{"cwe_ids":["CWE-125"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/21xxx/CVE-2024-21524.json","unresolved_ranges":[{"extracted_events":[{"fixed":"*"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"snyk"},"references":[{"type":"WEB","url":"https://gist.github.com/dellalibera/0bb022811224f81d998fa61c3175ee67"},{"type":"WEB","url":"https://github.com/magiclen/node-stringbuilder/blob/5c2797d3d6bf8cb6d10fe1e077609cef9a5a7de0/src/node-stringbuilder.c%23L1281"},{"type":"WEB","url":"https://security.snyk.io/vuln/SNYK-JS-NODESTRINGBUILDER-6421617"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/21xxx/CVE-2024-21524.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21524"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/magiclen/node-stringbuilder","events":[{"introduced":"0"},{"last_affected":"032697cc3e325148dbced50d561eb332937e32da"}],"database_specific":{"cpe":"cpe:2.3:a:magiclen:stringbuilder:*:*:*:*:*:node.js:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.2.7"}],"source":"CPE_RANGE"}}],"versions":["v2.2.7","v2.2.6","v2.2.5","v2.2.4","v2.2.3","v2.2.2","v2.2.1","v2.2.0","v2.1.1","v2.1.0","v2.0.2","v2.0.1","v2.0.0","v1.3.0","v1.1.0","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-21524.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:P"}]}