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| author | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2017-10-29 17:49:38 -0500 |
|---|---|---|
| committer | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2017-10-29 17:49:38 -0500 |
| commit | 7ee802a5a2a52687b87abbf1e578c08b3affc08f (patch) | |
| tree | 1518e9e1fe832106db42a7f47f46842fed3c3a17 /pngrutil.c | |
| parent | 2f8b82ebca6fb921ea3b0ae00f0898b17d40ec1f (diff) | |
| download | libpng-7ee802a5a2a52687b87abbf1e578c08b3affc08f.tar.gz | |
[libpng16] Initialize trans_color.red, green, and blue == trans_color.gray
in attempt to stop an oss-fuzz "use of ininitialized value" issue
Diffstat (limited to 'pngrutil.c')
| -rw-r--r-- | pngrutil.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pngrutil.c b/pngrutil.c index 8692933bd..8081febc0 100644 --- a/pngrutil.c +++ b/pngrutil.c @@ -1852,6 +1852,9 @@ png_handle_tRNS(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length) png_crc_read(png_ptr, buf, 2); png_ptr->num_trans = 1; png_ptr->trans_color.gray = png_get_uint_16(buf); + png_ptr->trans_color.red = png_ptr->trans_color.gray; + png_ptr->trans_color.green = png_ptr->trans_color.gray; + png_ptr->trans_color.blue = png_ptr->trans_color.gray; } else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB) |