CVE-2025-40843: Ericsson Codechecker

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Ericsson Codechecker: before 6.26.2 (fixed in 6.26.2)

Published 2025-10-28. Last modified 2026-10-08.