Medium severity · published Apr 29, 2026
CVE-2018-25306
PDFunite 0.41.0 Buffer Overflow via Malformed PDF
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PD
PDFunite · poppler-utils
0.41.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-25306
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-25306
Product
https://launchpad.net/ubuntu/+source/poppler/0.57.0-2ubuntu4.2
Product
https://launchpad.net/ubuntu/artful/+package/poppler-utils
Exploit
https://www.exploit-db.com/exploits/44490
Third Party Advisory
https://www.vulncheck.com/advisories/pdfunite-buffer-overflow-via-malformed-pdf