21 lines
619 B
Diff
21 lines
619 B
Diff
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Copied from Fedora.
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http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-2756.patch
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--- libwmf-0.2.8.4/src/extra/gd/gd_png.c 1 Apr 2007 20:41:01 -0000 1.21.2.1
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+++ libwmf-0.2.8.4/src/extra/gd/gd_png.c 16 May 2007 19:06:11 -0000
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@@ -78,8 +78,11 @@
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gdPngReadData (png_structp png_ptr,
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png_bytep data, png_size_t length)
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{
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- gdGetBuf (data, length, (gdIOCtx *)
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- png_get_io_ptr (png_ptr));
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+ int check;
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+ check = gdGetBuf (data, length, (gdIOCtx *) png_get_io_ptr (png_ptr));
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+ if (check != length) {
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+ png_error(png_ptr, "Read Error: truncated data");
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+ }
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}
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static void
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