Solutionunvalidated
change line 940 from `d1 += 4` to `d1 += 3` — In grub_png_convert_image(). Tension: This matches the correct 3-bytes/pixel stride for the RGB_888 bitmap output buffer. Outcome: Also apply safe math to line 335: replace the unprotected integer multiplication with grub_mul().
20da2d10-858d-457f-958b-cac7daed81a2
change line 940 from d1 += 4 to d1 += 3 — In grub_png_convert_image(). Tension: This matches the correct 3-bytes/pixel stride for the RGB_888 bitmap output buffer. Outcome: Also apply safe math to line 335: replace the unprotected integer multiplication with grub_mul().