PT-2026-35989 · Canonical · Pdfunite+1

Published 2026-04-29 · Updated 2026-05-05 · CVE-2018-25306

Positive Technologies (AI Summary)

CVSS v3.1

6.2

Medium

Base vector

AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions PDFunite version 0.41.0

Description A buffer overflow allows local attackers to crash the application by processing malformed PDF files during merge operations. A segmentation fault can be triggered in the XRef::getEntry() function within libpoppler by providing a specially crafted PDF file to the pdfunite utility.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2018-25306

Affected Products

Pdfunite

Poppler

References · 9

• 🔥 https://exploit-db.com/exploits/44490 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-25306 · Security Note
• https://ubuntu.com/security/CVE-2018-25306 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-25306 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-25306 · Vendor Advisory
• https://t.me/cveNotify/162191 · Telegram Post
• https://launchpad.net/ubuntu/artful/+package/poppler-utils · Note
• https://vulncheck.com/advisories/pdfunite-buffer-overflow-via-malformed-pdf · Note
• https://launchpad.net/ubuntu/+source/poppler/0.57.0-2ubuntu4.2 · Note