Vulnerability 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 Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Weaknesses (CWE)
References
- https://github.com/pjuhasz/JSON-SIMD/commit/9a87de7331c9fa5198cae404a83b17649cf7
- https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.06/source/SIMD.xs#L248
- https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.07/changes
- http://www.openwall.com/lists/oss-security/2025/09/08/3
FAQ
What is CVE-2025-40930?
CVE-2025-40930 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2025-40930?
CVE-2025-40930 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-40930?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.