Security Advisory

CVE-2026-42570

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-09 16:12:26

Last updated 2026-07-15 00:57:11

Assigner GitHub_M

CVSS score 7.5

State PUBLISHED

Description

Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From version 5.6.3 to before version 5.8.1, devalue.parse could, due to quirks in some JavaScript engines, be convinced to allocate much more memory than was needed when deserializing sparse arrays, leading to excessive memory consumption. This issue has been patched in version 5.8.1.

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