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File _service:obs_scm:CVE-2019-13616.patch of Package SDL
From 636be06fa7f0cd2ee4d79c8e891b3bcbce331d7b Mon Sep 17 00:00:00 2001 From: Ozkan Sezer <sezeroz@gmail.com> Date: Tue, 30 Jul 2019 21:30:24 +0300 Subject: [PATCH] Fixed bug 4538 - validate image size when loading BMP files --HG-- branch : SDL-1.2 --- src/video/SDL_bmp.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/video/SDL_bmp.c b/src/video/SDL_bmp.c index 758d4bb..6cadc8a 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; -- 1.8.3.1
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