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TI-2018-15531 Aliases CVE-2018-25306GHSA-4ghp-74c4-9grw

PDFunite 0.41.0 Buffer Overflow via Malformed PDF

Priority MEDIUM 64CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00177 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
poppler-utilsPDFunite0.41.0—No fix listedCNA
  • PDFunite Vendorpoppler-utils Affected 0.41.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:canonical:pdfunite:0.41.0:*:*:*:*:*:*:*0.41.0VulnerableCanonical
  • cpe:2.3:a:canonical:pdfunite:0.41.0:*:*:*:*:*:*:* Versions 0.41.0 Vulnerable ·Canonical

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-25306
  2. 2026-10-03 Alias added: GHSA-4ghp-74c4-9grw

References

Sources