PT-2025-36475 · Unknown · Json::Simd

Michael Hudak · Published 2025-09-08 · Updated 2025-09-08 · CVE-2025-40930

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: JSON::SIMD versions prior to 1.07

Description: JSON::SIMD, a Perl module, contains an integer buffer overflow that can lead to a segmentation fault when processing specially crafted JSON data. This issue may result in denial-of-service attacks.

Recommendations: Update JSON::SIMD to version 1.07 or later.

Fix

DoS

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2025-40930

Affected Products

Json::Simd

References · 9

• https://osv.dev/vulnerability/CVE-2025-40930 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-40930 · Security Note
• https://github.com/pjuhasz/JSON-SIMD/commit/9a87de7331c9fa5198cae404a83b17649cf7b918.patch · Patch
• http://openwall.com/lists/oss-security/2025/09/08/3 · Note
• https://twitter.com/VulmonFeeds/status/1965085172375691620 · Twitter Post
• https://t.me/CVEtracker/31961 · Telegram Post
• https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.06/source/SIMD.xs#L248 · Note
• https://twitter.com/CVEnew/status/1965076109231349865 · Twitter Post
• https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.07/changes · Note