CVE-2025-40930: Pjuhasz Json::simd

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

• Pjuhasz Json::simd: before 1.07 (fixed in 1.07)

Published 2025-09-08. Last modified 2026-06-17.