{"id":"CVE-2026-117555","revision":"16e598eb69ab4a5195bae0cf587c818f","records":[{"revision":"16e598eb69ab4a5195bae0cf587c818f","observedAt":"2026-10-27T15:09:21.953+00:00","statement":{"source":"cve-program","id":"CVE-2026-117555","aliases":[],"title":"GreycLab CImg through 4.0.6 Heap Out-of-Bounds Read via Integer Overflow in _load_bmp()","description":"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.","state":0,"publishedAt":"2026-10-27T13:07:51.02+00:00","modifiedAt":"2026-10-27T13:07:51.02+00:00","affected":[{"ecosystem":"Vendor product","name":"CImg","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"GreycLab\",\n                    \"product\": \"CImg\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"4.0.6\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","score":6.1,"severity":"MEDIUM"}],"references":["https://github.com/GreycLab/CImg/issues/495","https://github.com/GreycLab/CImg","https://github.com/GreycLab/CImg/commit/b9ed613d9984f9caa1617b97e1db7e429cf14fd5","https://github.com/GreycLab/CImg/blob/v.4.0.6/CImg.h#L55659","https://www.vulncheck.com/advisories/greyclab-cimg-through-4.0.6-heap-out-of-bounds-read-via-integer-overflow-in-load-bmp"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-117555","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-117555","identifiers":["CVE-2026-117555"]},"retained":false,"historicalAffected":[]}],"coverage":[]}