Openpyxl 2.4.1 resolves external entities by default, which allows remote attackers to conduct XXE attacks via a crafted .xlsx document.
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Openpyxl | Python | 2.4.1 (including) | 2.4.1 (including) |
| Openpyxl | Ubuntu | artful | * |
| Openpyxl | Ubuntu | esm-apps/xenial | * |
| Openpyxl | Ubuntu | precise | * |
| Openpyxl | Ubuntu | upstream | * |
| Openpyxl | Ubuntu | xenial | * |
| Openpyxl | Ubuntu | yakkety | * |
| Openpyxl | Ubuntu | zesty | * |