CVE-2025-40843

Buffer overflow in CodeChecker log command

Published Oct 28, 2025 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-30823 CodeChecker has a buffer overflow in the log command
Github GHSA Github GHSA GHSA-5xf2-f6ch-6p8r CodeChecker has a buffer overflow in the log command
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ericsson:codechecker:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Ericsson
Ericsson codechecker
Vendors & Products Ericsson
Ericsson codechecker
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Buffer overflow in CodeChecker log command
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ERIC
Published
Updated
Oct 28, 2025, 7:30 PM
Reserved
Apr 16, 2025, 8:59 AM
Status
Analyzed
Published
Oct 28, 2025, 7:15 PM
Modified
Oct 8, 2026, 11:10 AM