Is CVE-2025-40843 actively exploited?

CVE-2025-40843 has no public evidence of in-the-wild exploitation as of 2025-11-14.

What is the CVSS score for CVE-2025-40843?

CVE-2025-40843 has a CVSS score of 5.9 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

How do I patch CVE-2025-40843?

Patch guidance is available from ericsson security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-40843.

Which products are affected by CVE-2025-40843?

1 product: ericsson codechecker.

CVE-2025-40843 - remediation guidance & executive summary

Description

CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Clang Tidy. CodeChecker versions up to 6.26.1 contain a buffer overflow vulnerability in the internal ldlogger library, which is executed by the CodeChecker log command. This issue affects CodeChecker: through 6.26.1.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector: local
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: low
Weaknesses: CWE-121

Metadata

Primary Vendor: ERICSSON
Published: 10/28/2025
Last Modified: 11/14/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-40843

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary