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File _service:obs_scm:1539.patch of Package stb
From 8cfcbf7dde7705c849f4f7a5acb26f79b895fffe Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jaroslav=20Loba=C4=8Devski?= <jarlob@github.com> Date: Thu, 19 Oct 2023 15:57:03 +0200 Subject: [PATCH] Fix wild address read in stbi__gif_load_next It seems `layers` were forgotten to include in equation. Fixes #1538 --- stb_image.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/stb_image.h b/stb_image.h index 5e807a0a6..cd09ab697 100644 --- a/stb_image.h +++ b/stb_image.h @@ -7019,7 +7019,7 @@ static void *stbi__load_gif_main(stbi__context *s, int **delays, int *x, int *y, } memcpy( out + ((layers - 1) * stride), u, stride ); if (layers >= 2) { - two_back = out - 2 * stride; + two_back = out + (layers - 2) * stride; } if (delays) {
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