Security Advisories (1)
CVE-2025-40929 (2025-09-08)

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

Changes for version 4.10 - 2019-03-18

  • Fix incr_text refcounts (#123)
  • Add incr_rest testcase (#123)
  • Fix encode_stringify string-overload refcnt problem (#124) "Attempt to free unreferenced scalar" with convert_blessed and overload.

Documentation

Cpanel::JSON::XS commandline utility

Modules

cPanel fork of JSON::XS, fast and correct serializing
true and false values
Type support for JSON encode

Examples