CVE-2025-40843

MEDIUM

CodeChecker < 6.26.2 - Stack-based Buffer Overflow in ldlogger Library

Title source: llm

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.

References (1)

Core 1

Core References

Exploit, Vendor Advisory vendor-advisory

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

Scores

CVSS v3 5.9

EPSS 0.0002

EPSS Percentile 7.2%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-121

Status published

Products (2)

ericsson/codechecker < 6.26.2

pypi/codechecker 0 - 6.26.2PyPI

Published Oct 28, 2025

Tracked Since Feb 18, 2026