{"schema":"threatline.record/2","record":{"id":"CVE-2026-117555","aliases":[],"summary":"GreycLab CImg through 4.0.6 Heap Out-of-Bounds Read via Integer Overflow in _load_bmp()","details":"CImg through 4.0.6 contains a heap out-of-bounds read vulnerability in the _load_bmp() function of CImg.h caused by an integer overflow in the row byte count. Attackers can supply a crafted BMP file with a large header width that wraps dx_bytes, causing crashes or heap memory disclosure into the decoded image.","categories":["Unclassified"],"product":"CImg","vendor":"GreycLab","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-117555","source_modified_at":"2026-10-27T13:07:51.020Z","fetched_at":"2026-10-27T16:27:21.584480Z","product":"CImg","vendor":"GreycLab","versions":[{"status":"affected","version":"0","lessThanOrEqual":"4.0.6","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-27T13:07:51.020Z","modified_at":"2026-10-27T13:07:51.020Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-117555","fetched_at":"2026-10-27T16:27:21.584480Z","source_modified_at":"2026-10-27T13:07:51.020Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/GreycLab/CImg/issues/495","tags":["issue-tracking"]},{"source":"CVE List","url":"https://github.com/GreycLab/CImg","tags":["product"]},{"source":"CVE List","url":"https://github.com/GreycLab/CImg/commit/b9ed613d9984f9caa1617b97e1db7e429cf14fd5","tags":["patch"]},{"source":"CVE List","url":"https://github.com/GreycLab/CImg/blob/v.4.0.6/CImg.h#L55659","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/greyclab-cimg-through-4.0.6-heap-out-of-bounds-read-via-integer-overflow-in-load-bmp","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-27T13:07:51.020Z","content_hash":"a4023b4805b0cee215b61f7c13c07baad11c3fd1fbd52252b0bf910ad4d7798b"}}