Description
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
Published: 2025-09-08
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Update to 4.04, or apply the provided patch

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4317-1 libjson-xs-perl security update
Debian DSA Debian DSA DSA-5999-1 libjson-xs-perl security update
EUVD EUVD EUVD-2025-27141 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
Ubuntu USN Ubuntu USN USN-7750-1 JSON-XS vulnerability
History

Tue, 04 Nov 2025 22:30:00 +0000

Type Values Removed Values Added
References

Mon, 03 Nov 2025 19:30:00 +0000

Type Values Removed Values Added
References

Tue, 09 Sep 2025 00:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Mon, 08 Sep 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 08 Sep 2025 15:15:00 +0000

Type Values Removed Values Added
Description 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
Title 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
Weaknesses CWE-122
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: CPANSec

Published:

Updated: 2025-11-04T21:10:22.058Z

Reserved: 2025-04-16T09:05:34.363Z

Link: CVE-2025-40928

cve-icon Vulnrichment

Updated: 2025-11-04T21:10:22.058Z

cve-icon NVD

Status : Deferred

Published: 2025-09-08T15:15:35.810

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-40928

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-09-08T15:08:21Z

Links: CVE-2025-40928 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses