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Fencer Vulns
critical 9.3

CVE-2008-5492 in the critical feed json

Heap-based buffer overflow in the PDFVIEW.PdfviewCtrl.1 ActiveX control in pdfview.ocx 2.0.0.1 in VeryDOC PDF Viewer OCX Control allows rem…

published 2008-12-12 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-5469

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
35.3%
EPSS 35.3% chance of exploitation in 30 days, percentile 98%
public exploits
4
Metasploit, Exploit-DB

Summary

Heap-based buffer overflow in the PDFVIEW.PdfviewCtrl.1 ActiveX control in pdfview.ocx 2.0.0.1 in VeryDOC PDF Viewer OCX Control allows remote attackers to execute arbitrary code via a long first argument to the OpenPDF method. NOTE: some of these details are obtained from third party information.

Timeline

  1. First public exploit (Metasploit exploit/windows/browser/verypdf_pdfview)
  2. Published

Exploit prediction

35.27% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/browser/verypdf_pdfview VeryPDF PDFView OCX ActiveX OpenPDF Heap Overflow metasploit exploit, normal rank, 2008-06-16
  • EDB-32587 VeryPDF PDFView - ActiveX Component Heap Buffer Overflow dos, 2008-11-15
  • EDB-16520 VeryPDF PDFView - OCX ActiveX OpenPDF Heap Overflow (Metasploit) remote, 2010-09-20
  • EDB-7126 VeryPDF PDFView - OCX ActiveX OpenPDF Heap Overflow (PoC) dos, 2008-11-15
  • bmgsec.com.au http://www.bmgsec.com.au/advisories/openpdf.txt referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/32313 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.