What is the CVSS score of CVE-2025-40929?

CVE-2025-40929 has a CVSS 3.1 base score of 5.6 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.1%.

Which versions of Suse are affected by CVE-2025-40929?

CVE-2025-40929 presents moderate security risk, a heap-based buffer overflow vulnerability rated CVSS 5.6. Exploitation could cause memory corruption or application crashes.. A patch is available.

How to fix or mitigate CVE-2025-40929?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Suse CVE-2025-40929

MEDIUM

Heap-based Buffer Overflow (CWE-122)

2025-09-08 9b29abf9-4ab0-4765-b253-1875cd9b441e

Buffer Overflow Heap Overflow Suse

5.6

CVSS 3.1

CVSS VectorNVD

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

Lifecycle Timeline

Patch released

Apr 06, 2026 - 02:30 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 19:11 vuln.today

CVE Published

Sep 08, 2025 - 15:15 nvd

MEDIUM 5.6

DescriptionNVD

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

AnalysisAI

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. Rated medium severity (CVSS 5.6), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-122. 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 Version information: version 4.40.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Vendor StatusVendor

CVE-2025-40929 vulnerability details – vuln.today

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