diff options
| -rw-r--r-- | Modules/zipimport.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Modules/zipimport.c b/Modules/zipimport.c index 83fa8f9..4594dd4 100644 --- a/Modules/zipimport.c +++ b/Modules/zipimport.c @@ -1071,6 +1071,10 @@ get_data(PyObject *archive, PyObject *toc_entry) &date, &crc)) { return NULL; } + if (data_size < 0) { + PyErr_Format(ZipImportError, "negative data size"); + return NULL; + } fp = _Py_fopen_obj(archive, "rb"); if (!fp) { |