From af11b3462640407a4ca596eeb57fac936976f865 Mon Sep 17 00:00:00 2001 From: Francesco Colista Date: Mon, 21 Oct 2019 20:28:57 +0000 Subject: main/sdl2_image: security fix for CVE-2019-13616. Fixes #10879 --- main/sdl2_image/CVE-2019-13616.patch | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 main/sdl2_image/CVE-2019-13616.patch diff --git a/main/sdl2_image/CVE-2019-13616.patch b/main/sdl2_image/CVE-2019-13616.patch new file mode 100644 index 00000000000..cb0fe87a389 --- /dev/null +++ b/main/sdl2_image/CVE-2019-13616.patch @@ -0,0 +1,24 @@ + +# HG changeset patch +# User Sam Lantinga +# Date 1564509612 25200 +# Node ID ba45f00879ba0b957780e1fd28304c41503c1737 +# Parent f1baffa48926c4c76f482f21a240667e9159d1d5 +Fixed bug 4538 - validate image size when loading BMP files + +diff -r f1baffa48926 -r ba45f00879ba IMG_bmp.c +--- a/IMG_bmp.c Tue Jul 30 10:16:02 2019 -0700 ++++ b/IMG_bmp.c Tue Jul 30 11:00:12 2019 -0700 +@@ -351,6 +351,11 @@ + SDL_RWseek(src, (biSize - headerSize), RW_SEEK_CUR); + } + } ++ if (biWidth <= 0 || biHeight == 0) { ++ IMG_SetError("BMP file with bad dimensions (%dx%d)", biWidth, biHeight); ++ was_error = SDL_TRUE; ++ goto done; ++ } + if (biHeight < 0) { + topDown = SDL_TRUE; + biHeight = -biHeight; + -- cgit v1.2.3