CVE-2025-40929

CVE-2025-40929: Cpanel::JSON::XS before version 4.40 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

Vendor Rurban

Product Cpanel::JSON::XS

Weakness CWE-122

Published September 8, 2025

Last update November 4, 2025

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

Cpanel::JSON::XS before version 4.40 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

Key dates

02Disclosure timeline

September 8, 2025 CVE published

November 4, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-40929 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/122.html

Related vulnerabilities

04Related CVE

CVE-2025-20680 CVE-2021-26603 bandisoft ARK library heap overflow vulnerability CVE-2025-40928 JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact CVE-2024-52996 Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122) CVE-2025-31164 fig2dev heap-buffer overflow