A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Xpdf | Xpdfreader | 4.00 (including) | 4.00 (including) |
| Ipe | Ubuntu | artful | * |
| Ipe | Ubuntu | bionic | * |
| Ipe | Ubuntu | cosmic | * |
| Ipe | Ubuntu | disco | * |
| Ipe | Ubuntu | eoan | * |
| Ipe | Ubuntu | groovy | * |
| Ipe | Ubuntu | hirsute | * |
| Ipe | Ubuntu | impish | * |
| Ipe | Ubuntu | kinetic | * |
| Ipe | Ubuntu | lunar | * |
| Ipe | Ubuntu | mantic | * |
| Ipe | Ubuntu | trusty | * |
| Ipe | Ubuntu | xenial | * |
| Libextractor | Ubuntu | artful | * |
| Libextractor | Ubuntu | cosmic | * |
| Libextractor | Ubuntu | disco | * |
| Libextractor | Ubuntu | eoan | * |
| Libextractor | Ubuntu | groovy | * |
| Libextractor | Ubuntu | hirsute | * |
| Libextractor | Ubuntu | impish | * |
| Libextractor | Ubuntu | trusty | * |
| Libextractor | Ubuntu | xenial | * |
| Xpdf | Ubuntu | artful | * |
| Xpdf | Ubuntu | bionic | * |
| Xpdf | Ubuntu | cosmic | * |
| Xpdf | Ubuntu | devel | * |
| Xpdf | Ubuntu | disco | * |
| Xpdf | Ubuntu | eoan | * |
| Xpdf | Ubuntu | esm-apps/bionic | * |
| Xpdf | Ubuntu | esm-apps/jammy | * |
| Xpdf | Ubuntu | esm-apps/noble | * |
| Xpdf | Ubuntu | esm-apps/xenial | * |
| Xpdf | Ubuntu | hirsute | * |
| Xpdf | Ubuntu | impish | * |
| Xpdf | Ubuntu | jammy | * |
| Xpdf | Ubuntu | kinetic | * |
| Xpdf | Ubuntu | lunar | * |
| Xpdf | Ubuntu | mantic | * |
| Xpdf | Ubuntu | noble | * |
| Xpdf | Ubuntu | oracular | * |
| Xpdf | Ubuntu | trusty | * |
| Xpdf | Ubuntu | xenial | * |