CVE-2025-40843

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 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-25)

CWE

CWE-121

Published

2025-10-28

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• ericsson:codechecker

Packages (OSV)

References

• https://github.com/Ericsson/codechecker/security/advisories/GHSA-5xf2-f6ch-6p8r

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