High severity8.2OSV Advisory· Published Jul 10, 2024· Updated Jun 17, 2026
CVE-2024-21524
CVE-2024-21524
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
node-stringbuildernpm | <= 2.2.7 | — |
Affected products
2- Range: v1.0.0, v1.1.0, v1.3.0, …
Patches
Vulnerability mechanics
References
6- gist.github.com/dellalibera/0bb022811224f81d998fa61c3175ee67nvdExploitThird Party AdvisoryWEB
- security.snyk.io/vuln/SNYK-JS-NODESTRINGBUILDER-6421617nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-g533-xq5w-jmf3ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-21524ghsaADVISORY
- github.com/magiclen/node-stringbuilder/blob/5c2797d3d6bf8cb6d10fe1e077609cef9a5a7de0/src/node-stringbuilder.cghsaWEB
- github.com/magiclen/node-stringbuilder/blob/5c2797d3d6bf8cb6d10fe1e077609cef9a5a7de0/src/node-stringbuilder.c%23L1281nvdBroken Link
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