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Debian LTS 11: libcpanel-json-xs-perl Critical DoS CVE-2025-40929

debian lts
Calendar Grey September 30, 2025
Dist Debian Esm H88
Debian LTS Advisory DLA-4318-1 addresses CVE-2025-40929 in libcpanel-json-xs-perl, patching critical buffer overflow.
A vulnerability has been fixed in libcpanel-json-xs-perl, a Perl module for serialising to JSON
Topics%20covered

Topics Covered

security advisory denial of service critical debian JSON libcpanel-json-xs-perl

Summary

CVE-2025-40929

Integer buffer overflow causing a segfault when parsing crafted JSON,
enabling denial-of-service attacks or other unspecified impact

For Debian 11 bullseye, this problem has been fixed in version
4.25-1+deb11u1.

We recommend that you upgrade your libcpanel-json-xs-perl packages.

For the detailed security status of libcpanel-json-xs-perl please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/libcpanel-json-xs-perl

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS



Severity
critical
Lowest
Low
Medium
High
Critical

Package: libcpanel-json-xs-perl
Version: 4.25-1+deb11u1
CVE ID: CVE-2025-40929

Topics%20covered

Topics Covered

security advisory denial of service critical debian JSON libcpanel-json-xs-perl

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