Description
There is a stack consumption issue in md5Round1() located in Decrypt.cc in Xpdf 4.01. It can be triggered by sending a crafted pdf file to (for example) the pdfimages binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact. This is related to Catalog::countPageTree.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | texlive-bin | No fix yet | — |
| Ubuntu 26.04 LTS | texlive-bin | No fix yet | — |
| Ubuntu 25.10 | texlive-bin | No fix yet | — |
| Ubuntu 24.04 LTS | texlive-bin | No fix yet | — |
| Ubuntu 22.04 LTS | texlive-bin | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | texlive-bin | No fix yet | — |
| Ubuntu Pro 18.04 LTS | texlive-bin | No fix yet | — |
| Ubuntu Pro 16.04 LTS | texlive-bin | No fix yet | — |