Skip to content
OpenAdvisories
Medium ALSA-2025:17119 1 CVE

Moderate: perl-JSON-XS security update

Published Sep 30, 2025 · Updated Oct 29, 2026

Summary

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):

* JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
AlmaLinux · 10 perl-JSON-XS 1:4.04-1.el10_0

Vulnerabilities 1

  • High 7.5

    JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

    JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

References

  • report
    https://access.redhat.com/security/cve/CVE-2025-40928
  • report
    https://bugzilla.redhat.com/2393878
  • advisory
    https://errata.almalinux.org/10/ALSA-2025-17119.html