CVE-2025-40843 — MEDIUM (5.9)

Q: How severe is CVE-2025-40843?

CVE-2025-40843 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-40843?

Check the references section above for vendor advisories and patch information. Affected products include: Ericsson Codechecker.

Vulnerability 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.

CVSS Score

5.9

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Ericsson	Codechecker	< 6.26.2

Related Weaknesses (CWE)

CWE-121

References

https://github.com/Ericsson/codechecker/security/advisories/GHSA-5xf2-f6ch-6p8rExploitVendor Advisory

FAQ

What is CVE-2025-40843?

CVE-2025-40843 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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...

How severe is CVE-2025-40843?

CVE-2025-40843 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-40843?

Check the references section above for vendor advisories and patch information. Affected products include: Ericsson Codechecker.