Xpdf 4.04 will deadlock on a PDF object stream whose Length field is itself in another object stream.
Weakness
The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Xpdf | Xpdfreader | 4.04 (including) | 4.04 (including) |
| Ipe | Ubuntu | bionic | * |
| Ipe | Ubuntu | focal | * |
| Ipe | Ubuntu | kinetic | * |
| Ipe | Ubuntu | lunar | * |
| Ipe | Ubuntu | mantic | * |
| Ipe | Ubuntu | oracular | * |
| Ipe | Ubuntu | plucky | * |
| Ipe | Ubuntu | trusty | * |
| Ipe | Ubuntu | xenial | * |
| Xpdf | Ubuntu | bionic | * |
| Xpdf | Ubuntu | kinetic | * |
| Xpdf | Ubuntu | lunar | * |
| Xpdf | Ubuntu | mantic | * |
| Xpdf | Ubuntu | oracular | * |
| Xpdf | Ubuntu | plucky | * |
| Xpdf | Ubuntu | trusty | * |
| Xpdf | Ubuntu | xenial | * |