CVE-2018-25306: Canonical Pdfunite

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

PDFunite 0.41.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by processing malformed PDF files during merge operations. Attackers can trigger a segmentation fault in the XRef::getEntry function within libpoppler by providing a specially crafted PDF file to the pdfunite utility.

Affected products

• Canonical Pdfunite: version 0.41.0 only

Published 2026-04-29. Last modified 2026-06-17.