CVE-2025-40930

7.5 HIGH

Published: September 08, 2025 Modified: November 04, 2025

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/pjuhasz/JSON-SIMD/commit/9a87de7331c9fa5198cae404a83b17649cf7b918.patch

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e

https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.06/source/SIMD.xs#L248

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e

https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.07/changes

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e

http://www.openwall.com/lists/oss-security/2025/09/08/3

Source: af854a3a-2127-422b-91ae-364da2661108

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.1%

24th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-122

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