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

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

Affected: openEuler:24.03-LTS-SP1: perl-Cpanel-JSON-XS

This module converts Perl data structures to JSON and vice versa. Its primary goal is to be correct and its secondary goal is to be fast. To reach the latter goal it was written in C. Security Fix(es):

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(CVE-2025-40929)

perl-Cpanel-JSON-XS-4.400.0-1.1 on GA media

Security update for perl-Cpanel-JSON-XS

Affected: Ubuntu:16.04:LTS: libcpanel-json-xs-perl, Ubuntu:18.04:LTS: libcpanel-json-xs-perl, Ubuntu:20.04:LTS: libcpanel-json-xs-perl, Ubuntu:22.04:LTS: libcpanel-json-xs-perl, Ubuntu:24.04:LTS: libcpanel-json-xs-perl, Ubuntu:25.10: libcpanel-json-xs-perl, Ubuntu:26.04:LTS: libcpanel-json-xs-perl

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

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in cPanel cPanel/WHM ausnutzen, um einen Denial of Service Angriff durchzuführen.