On Wed, 15 Feb 2023 13:18:31 GMT, Jayathirth D V <[email protected]> wrote:
> We have check in BMPImageReader, where we verify image data size using BMP > file size and bitmap offset value. > But we can't rely on this calculation when we have color palette. Also color > palette is necessary in BMP when bits per pixel is less than 16 according to > BMP > specification(https://learn.microsoft.com/en-us/windows/win32/api/wingdi/ns-wingdi-bitmapv4header). > > Now extra checks are added to not perform this check when we have color > palette or bpp is less than 16. > > Also when bitsPerPixel was less than 8 it was getting down-casted to 0. So > this is also resolved by making this check for >=16bpp and not doing > (bitsPerPixel / 8) This pull request has now been integrated. Changeset: aa10f0d3 Author: Jayathirth D V <[email protected]> URL: https://git.openjdk.org/jdk/commit/aa10f0d3ee5d77d83950c9ed4aab11589b822ff4 Stats: 68 lines in 2 files changed: 66 ins; 0 del; 2 mod 8302151: BMPImageReader throws an exception reading BMP images Reviewed-by: serb, tr ------------- PR: https://git.openjdk.org/jdk/pull/12573
