medium6.1
CVE-2026-117555
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.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| CImg | through 4.0.6 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/GreycLab/CImg
- https://github.com/GreycLab/CImg/blob/v.4.0.6/CImg.h#L55659
- https://github.com/GreycLab/CImg/commit/b9ed613d9984f9caa1617b97e1db7e429cf14fd5
- https://github.com/GreycLab/CImg/issues/495
- https://www.vulncheck.com/advisories/greyclab-cimg-through-4.0.6-heap-out-of-bounds-read-via-integer-overflow-in-load-bmp