diff options
Diffstat (limited to 'tools/qt-faststart.c')
| -rw-r--r-- | tools/qt-faststart.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/qt-faststart.c b/tools/qt-faststart.c index 5c511a0154..792c272193 100644 --- a/tools/qt-faststart.c +++ b/tools/qt-faststart.c @@ -239,6 +239,10 @@ int main(int argc, char *argv[]) goto error_out; } offset_count = BE_32(&moov_atom[i + 8]); + if (i + 12 + offset_count * UINT64_C(4) > moov_atom_size) { + printf(" bad atom size/element count\n"); + goto error_out; + } for (j = 0; j < offset_count; j++) { current_offset = BE_32(&moov_atom[i + 12 + j * 4]); current_offset += moov_atom_size; @@ -256,6 +260,10 @@ int main(int argc, char *argv[]) goto error_out; } offset_count = BE_32(&moov_atom[i + 8]); + if (i + 12 + offset_count * UINT64_C(8) > moov_atom_size) { + printf(" bad atom size/element count\n"); + goto error_out; + } for (j = 0; j < offset_count; j++) { current_offset = BE_64(&moov_atom[i + 12 + j * 8]); current_offset += moov_atom_size; |