Bug 2393878 (CVE-2025-40928)

Summary: CVE-2025-40928 JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the JSON-XS Perl module. A buffer overflow can be triggered due to an integer overflow when a specially crafted JSON input is processed, causing a segmentation fault, crashing the application using the module and resulting in a denial of service.
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Bug Depends On: 2393913, 2393914    
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Description OSIDB Bzimport 2025-09-08 16:01:19 UTC
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

Comment 2 errata-xmlrpc 2025-09-30 21:34:08 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:17119 https://access.redhat.com/errata/RHSA-2025:17119

Comment 3 errata-xmlrpc 2025-10-01 16:55:14 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:17162 https://access.redhat.com/errata/RHSA-2025:17162

Comment 4 errata-xmlrpc 2025-10-01 17:41:03 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:17163 https://access.redhat.com/errata/RHSA-2025:17163