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

References

https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.40/changes

https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.39/source/XS.xs#L713

https://github.com/rurban/Cpanel-JSON-XS/commit/378236219eaa35742c3962ecbdee364903b0a1f2.patch

Details

Source: Mitre, NVD

Published: 2025-09-08

Updated: 2025-09-08

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 5.6

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Severity: Medium

EPSS

EPSS: 0.00042