mirror of
https://github.com/dslm4515/BMLFS.git
synced 2025-07-25 17:11:16 +00:00
25 lines
764 B
Diff
25 lines
764 B
Diff
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# HG changeset patch
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# User Sam Lantinga <slouken@libsdl.org>
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# Date 1564509612 25200
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# Node ID ba45f00879ba0b957780e1fd28304c41503c1737
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# Parent f1baffa48926c4c76f482f21a240667e9159d1d5
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Fixed bug 4538 - validate image size when loading BMP files
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diff -r f1baffa48926 -r ba45f00879ba IMG_bmp.c
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--- a/IMG_bmp.c Tue Jul 30 10:16:02 2019 -0700
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+++ b/IMG_bmp.c Tue Jul 30 11:00:12 2019 -0700
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@@ -351,6 +351,11 @@
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SDL_RWseek(src, (biSize - headerSize), RW_SEEK_CUR);
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}
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}
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+ if (biWidth <= 0 || biHeight == 0) {
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+ IMG_SetError("BMP file with bad dimensions (%dx%d)", biWidth, biHeight);
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+ was_error = SDL_TRUE;
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+ goto done;
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+ }
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if (biHeight < 0) {
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topDown = SDL_TRUE;
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biHeight = -biHeight;
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