CVE-2018-18459
No fix known EPSS 1%
The function DCTStream::getBlock in Stream.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted pdf file, as demonstrated by pdftoppm.
Products: xpdfreader xpdf
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | xpdf | no fix |
| Debian 13 | xpdf | no fix |
| Debian 14 | xpdf | no fix |
| Ubuntu 16.04 LTS | ipe | no fix |
| Ubuntu 16.04 LTS | xpdf | no fix |
| Ubuntu 18.04 LTS | ipe | no fix |
| Ubuntu 18.04 LTS | xpdf | no fix |
| Ubuntu 20.04 LTS | ipe | no fix |
| Ubuntu 22.04 LTS | ipe | no fix |
| Ubuntu 22.04 LTS | xpdf | no fix |
| Ubuntu 24.04 LTS | ipe | no fix |
| Ubuntu 24.04 LTS | xpdf | no fix |
| Ubuntu 25.10 | ipe | no fix |
| Ubuntu 25.10 | xpdf | no fix |
| Ubuntu 26.04 LTS | ipe | no fix |
| Ubuntu 26.04 LTS | xpdf | no fix |
| Ubuntu 26.10 | ipe | no fix |
| Ubuntu 26.10 | xpdf | no fix |