CVE-2025-40930

HIGH EPSS 45.6%
Published Sep 8, 20259mo ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Sep 8, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
45.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-122

References 4

  • openwall.com http://www.openwall.com/lists/oss-security/2025/09/08/3
  • github.com https://github.com/pjuhasz/JSON-SIMD/commit/9a87de7331c9fa5198cae404a83b17649cf7b918.patch
  • metacpan.org https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.06/source/SIMD.xs#L248
  • metacpan.org https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.07/changes

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.