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aports/testing/sdl/0002-CVE-2019-13616.patch
2022-04-17 07:12:11 +02:00

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diff --git a/src/video/SDL_bmp.c b/src/video/SDL_bmp.c
index 758d4bbc4..6cadc8a55 100644
--- a/src/video/SDL_bmp.c
+++ b/src/video/SDL_bmp.c
@@ -143,6 +143,11 @@ SDL_Surface * SDL_LoadBMP_RW (SDL_RWops *src, int freesrc)
(void) biYPelsPerMeter;
(void) biClrImportant;
+ if (biWidth <= 0 || biHeight == 0) {
+ SDL_SetError("BMP file with bad dimensions (%dx%d)", biWidth, biHeight);
+ was_error = SDL_TRUE;
+ goto done;
+ }
if (biHeight < 0) {
topDown = SDL_TRUE;
biHeight = -biHeight;