CVE-2025-40929

MEDIUM EPSS 32.4%
Published Sep 8, 20259mo ago · Modified Jun 17, 20261w ago
5.6 CVSS 3.1
Medium
Find Similar
Published Sep 8, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

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

CVSS Details

Base Score
5.6
Exploitability
2.2
Impact
3.4
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability Low

Threat Intelligence

EPSS Exploit Probability
32.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-122

References 5

  • openwall.com http://www.openwall.com/lists/oss-security/2025/09/08/1
  • github.com https://github.com/rurban/Cpanel-JSON-XS/commit/378236219eaa35742c3962ecbdee364903b0a1f2.patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/09/msg00034.html
  • metacpan.org https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.39/source/XS.xs#L713
  • metacpan.org https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.40/changes

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.