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| author | Tom Sepez <tsepez@chromium.org> | 2015-03-11 14:41:17 -0700 |
|---|---|---|
| committer | Tom Sepez <tsepez@chromium.org> | 2015-03-11 14:41:17 -0700 |
| commit | e0557f60dd1a6130c481e3ab4f3787bf1125941a (patch) | |
| tree | 73c1ab618ba673f2bddccd6845d8cca6de07402b /core/src/fxcodec/codec | |
| parent | 2080b3e1b18126628890c61a62eca28dcd65818e (diff) | |
| download | pdfium-e0557f60dd1a6130c481e3ab4f3787bf1125941a.tar.xz | |
XFA: bound memcpy length in _png_load_bmp_attribute()
BUG=466338
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/997273002
Diffstat (limited to 'core/src/fxcodec/codec')
| -rw-r--r-- | core/src/fxcodec/codec/fx_codec_png.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/core/src/fxcodec/codec/fx_codec_png.cpp b/core/src/fxcodec/codec/fx_codec_png.cpp index 8c26381514..ea5ffaf68a 100644 --- a/core/src/fxcodec/codec/fx_codec_png.cpp +++ b/core/src/fxcodec/codec/fx_codec_png.cpp @@ -69,8 +69,9 @@ static void _png_load_bmp_attribute(png_structp png_ptr, png_infop info_ptr, CFX buf = "Time";
if (!FXSYS_memcmp32(buf, text[i].key, FX_MIN(len, FXSYS_strlen(buf)))) {
if (!bTime) {
- FXSYS_memset32(pAttribute->m_strTime, 0, 20);
- FXSYS_memcpy32(pAttribute->m_strTime, text[i].text, text[i].text_length);
+ FXSYS_memset32(pAttribute->m_strTime, 0, sizeof(pAttribute->m_strTime));
+ FXSYS_memcpy32(pAttribute->m_strTime, text[i].text,
+ FX_MIN(sizeof(pAttribute->m_strTime) - 1, text[i].text_length));
}
} else {
buf = "Author";
|