What’s Vulnerable › Vulnerabilities

CVE-2018-25306: PDFunite 0.41.0 Buffer Overflow via Malformed PDF

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-29 · updated 2026-06-17
• Weakness: CWE-120

Description

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

• poppler-utils PDFunite: 0.41.0

References

• https://launchpad.net/ubuntu/+source/poppler/0.57.0-2ubuntu4.2
• https://launchpad.net/ubuntu/artful/+package/poppler-utils
• https://www.exploit-db.com/exploits/44490
• https://www.vulncheck.com/advisories/pdfunite-buffer-overflow-via-malformed-pdf

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