CVE-2025-40930

High

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.

SeverityHigh

CVSS7.5

Exploit probability—

ProductJSON::SIMD

PublishedSep 8, 2025

First seenSep 8, 2025

Weakness typeCWE-122CWE-122

How to fix

Update

PJUHASZ JSON::SIMD1.07 or later

Patches

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

Vendor advisories

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

Affected products

Product	Affected versions	Fixed in
PJUHASZ JSON::SIMD	v < 1.07	1.07

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