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Weakness (CWE) CWE-122 Heap-based Buffer Overflow 1

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TI-2025-27321 CVE-2025-40930 · GHSA-9pm2-v7x2-9mw5

Heap-based buffer overflow in PJUHASZ JSON::SIMD

Priority HIGH 66

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.

CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00737 · Published 2025-09-08 · Fixed in 1.07 CWE-122

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