CVE-2025-40843
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-28

Last updated on: 2025-11-14

Assigner: Ericsson

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.
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Meta Information
Published
2025-10-28
Last Modified
2025-11-14
Generated
2026-06-16
AI Q&A
2025-10-28
EPSS Evaluated
2026-06-14
NVD
CVE-2025-40843
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
ericsson codechecker to 6.26.2 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
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Executive Summary

This vulnerability is a buffer overflow in the internal ldlogger library used by the CodeChecker log command in CodeChecker versions up to 6.26.1. A buffer overflow occurs when more data is written to a buffer than it can hold, potentially leading to unexpected behavior or exploitation.

Impact Analysis

The buffer overflow vulnerability can lead to impacts on confidentiality, integrity, and availability of the affected system, as indicated by the CVSS score. This means an attacker could potentially cause data leakage, data modification, or denial of service by exploiting this issue locally.

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