25 lines
709 B
Diff
25 lines
709 B
Diff
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https://nvd.nist.gov/vuln/detail/CVE-2016-4352
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https://www.openwall.com/lists/oss-security/2016/04/29/7
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https://trac.mplayerhq.hu/ticket/2295
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--- a/libmpdemux/demux_gif.c
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+++ b/libmpdemux/demux_gif.c
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@@ -316,6 +316,17 @@
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return NULL;
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}
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+ // Validate image size, most code in this demuxer assumes w*h <= INT_MAX
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+ if ((int64_t)gif->SWidth * gif->SHeight > INT_MAX) {
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+ mp_msg(MSGT_DEMUX, MSGL_ERR,
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+ "[demux_gif] Unsupported picture size %dx%d.\n", gif->SWidth,
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+ gif->SHeight);
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+ if (DGifCloseFile(gif) == GIF_ERROR)
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+ print_gif_error(NULL);
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+ free(priv);
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+ return NULL;
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+ }
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+
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// create a new video stream header
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sh_video = new_sh_video(demuxer, 0);
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