CVE-2025-40843 MEDIUM

CVE-2025-40843: Buffer overflow in CodeChecker log command

Vendor Ericsson
Product CodeChecker
Weakness CWE-121
Published October 28, 2025
Last update October 28, 2025

CVSS base score

5.9/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 28, 2025 CVE published
October 28, 2025 Record updated