CVE-2025-40929
libcpanel-json-xs-perl - security update
5.6
MEDIUM
CVSS 3.1
EPSS 0.09%
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
How to fix CVE-2025-40929
To remediate CVE-2025-40929, upgrade the affected package to a fixed version below.
- Alpine/perl-cpanel-json-xs—upgrade to 4.40-r0 or later
- —upgrade to 4.25-1+deb11u1 or later
- —upgrade to 4.25-1+deb11u1 or later
- —upgrade to 4.35-1+deb12u1 or later
Is CVE-2025-40929 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 4.40-r0
- from 0, < 4.25-1+deb11u1
- from 0, < 4.25-1+deb11u1
- from 0, < 4.35-1+deb12u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.6 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |