diff options
| -rw-r--r-- | tools/qt-faststart.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/qt-faststart.c b/tools/qt-faststart.c index d0ae7245f3..9446c11f80 100644 --- a/tools/qt-faststart.c +++ b/tools/qt-faststart.c @@ -84,6 +84,7 @@ #define ATOM_PREAMBLE_SIZE 8 #define COPY_BUFFER_SIZE 33554432 +#define MAX_FTYP_ATOM_SIZE 1048576 int main(int argc, char *argv[]) { @@ -133,6 +134,11 @@ int main(int argc, char *argv[]) /* keep ftyp atom */ if (atom_type == FTYP_ATOM) { + if (atom_size > MAX_FTYP_ATOM_SIZE) { + printf("ftyp atom size %"PRIu64" too big\n", + atom_size); + goto error_out; + } ftyp_atom_size = atom_size; free(ftyp_atom); ftyp_atom = malloc(ftyp_atom_size); |