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CVE-2025-40930 – JSON::SIMD before version 1.07 and earlier for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

The following table lists the changes that have been made to the
CVE-2025-40930 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 9b29abf9-4ab0-4765-b253-1875cd9b441e

    Sep. 08, 2025

    Action Type Old Value New Value
    Added Description JSON::SIMD before version 1.07 and earlier for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact.
    Added CWE CWE-122
    Added Reference https://github.com/pjuhasz/JSON-SIMD/commit/9a87de7331c9fa5198cae404a83b17649cf7b918.patch
    Added Reference https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.06/source/SIMD.xs#L248
    Added Reference https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.07/changes
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