CVE-2025-40930

Published: Sep 8, 2025Modified: Nov 4, 2025

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Related CWEs

CWE-122

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References (4)

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

Timeline

No history available yet.