An issue was discovered in Xpdf 4.01.01. There is a NULL pointer dereference in the function Gfx::opSetExtGState in Gfx.cc.
The product dereferences a pointer that it expects to be valid but is NULL.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Xpdf | Xpdfreader | 4.01.01 (including) | 4.01.01 (including) |
| Poppler | Ubuntu | trusty | * |
| Xpdf | Ubuntu | cosmic | * |
| Xpdf | Ubuntu | disco | * |
| Xpdf | Ubuntu | eoan | * |
| Xpdf | Ubuntu | hirsute | * |
| Xpdf | Ubuntu | impish | * |
| Xpdf | Ubuntu | trusty | * |
| Xpdf | Ubuntu | xenial | * |