CVE-2025-40928

HIGH EPSS 44.4%
Published Sep 8, 20259mo ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Sep 8, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

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

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
44.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-122

References 4

  • openwall.com http://www.openwall.com/lists/oss-security/2025/09/08/2
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/09/msg00033.html
  • metacpan.org https://metacpan.org/release/MLEHMANN/JSON-XS-4.03/source/XS.xs#L256
  • security.metacpan.org https://security.metacpan.org/patches/J/JSON-XS/4.03/CVE-2025-40928-r1.patch

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.