AUGUST 4, 2026
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Case File

CVE-2025-40930

HIGH · CVSS 7.5 EPSS 0.63% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-09-08 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2025-40930
Severity
HIGH
CVSS
7.5
EPSS
0.63%

Original NVD 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.