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| author | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2017-09-18 14:23:41 -0500 |
|---|---|---|
| committer | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2017-09-18 14:23:41 -0500 |
| commit | 721b96ef902112c6d41db119ccc3129156714628 (patch) | |
| tree | 78b5fc9013ba63a383e538543192f19e11d35b61 /pngrutil.c | |
| parent | 562a68513e1bc14c1d181a58dd305bb354780709 (diff) | |
| download | libpng-721b96ef902112c6d41db119ccc3129156714628.tar.gz | |
[libpng16] zero out memory allocated by png_inflate
Diffstat (limited to 'pngrutil.c')
| -rw-r--r-- | pngrutil.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pngrutil.c b/pngrutil.c index 9dc8825f1..95e2b81c8 100644 --- a/pngrutil.c +++ b/pngrutil.c @@ -670,6 +670,10 @@ png_decompress_chunk(png_structrp png_ptr, (terminate != 0); png_bytep text = png_voidcast(png_bytep, png_malloc_base(png_ptr, buffer_size)); + /* attempt to stop an oss-fuzz "use of uninitialized value" + * in png_set_text_2() + */ + memset(text, 0, buffer_size); if (text != NULL) { |