CVE-2025-40929

Medium

Description

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

SeverityMedium
CVSS5.6
Exploit probability—
ProductCpanel::JSON::XS
PublishedSep 8, 2025
First seenSep 8, 2025
Weakness typeCWE-122CWE-122

How to fix

Affected products

ProductAffected versionsFixed in
RURBAN Cpanel::JSON::XSv < 4.404.40

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CVE-2025-40929 · Cpanel::JSON::XS · Dark Radar