{"id":"CVE-2025-40843","aliases":["GHSA-5xf2-f6ch-6p8r","PYSEC-2025-100"],"url":"https://o3.security/vulnerability/CVE-2025-40843","summary":"Buffer overflow in CodeChecker log command","details":"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.","published":"2025-10-28T18:49:49.516Z","modified":"2026-07-15T01:49:05.842073833Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"codechecker","fixedVersion":"6.26.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40843.json"},{"type":"ADVISORY","url":"https://github.com/Ericsson/codechecker/security/advisories/GHSA-5xf2-f6ch-6p8r"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40843"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:05.842073833Z"}}