CVE-2025-40929 is an integer buffer overflow vulnerability in Cpanel::JSON::XS versions prior to 4.40 for Perl. This flaw can be triggered by parsing crafted JSON, leading to a denial-of-service via segfault or other unspecified impacts. With a CVSS score of 5.6 (MEDIUM), it has a network attack vector and high attack complexity, potentially affecting confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0, < 4.40CPE match | cpe:2.3:a:rurban:cpanel\:\:json\:\:xs:*:*:*:*:*:perl:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.