{"cve":"CVE-2025-40843","nvd":{"published":"2025-10-28T19:15:41.757","modified":"2026-10-08T11:10:00.250","status":"Analyzed","description":"CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Clang Tidy. \n\n\n\n\nCodeChecker versions up to 6.26.1 contain a buffer overflow vulnerability in the internal ldlogger library, which is executed by the CodeChecker log command.\n\n\n\n\n\nThis issue affects CodeChecker: through 6.26.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-121"],"references":["https://github.com/Ericsson/codechecker/security/advisories/GHSA-5xf2-f6ch-6p8r"],"products":["ericsson:codechecker"],"source":"nvd","synced_at":"2026-10-19T22:14:53.307938015+00:00"},"epss":{"cve":"CVE-2025-40843","score":0.00192,"percentile":0.08788,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-5xf2-f6ch-6p8r","url":"https://osv.dev/vulnerability/GHSA-5xf2-f6ch-6p8r","summary":"CodeChecker has a buffer overflow in the log command","modified":"2026-06-05T14:45:49.832338459Z","packages":[{"ecosystem":"PyPI","name":"codechecker","purl":"pkg:pypi/codechecker","ranges":["<6.26.2"],"fixed":["6.26.2"]}]},{"id":"PYSEC-2025-100","url":"https://osv.dev/vulnerability/PYSEC-2025-100","summary":"","modified":"2026-05-20T09:18:55.290654Z","packages":[{"ecosystem":"PyPI","name":"codechecker","purl":"pkg:pypi/codechecker","ranges":["<6.26.2"],"fixed":["6.26.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}