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Fencer Vulns
critical 9.3

CVE-2007-4821 json

Buffer overflow in a certain ActiveX control in officeviewer.ocx 5.2.218.1 in EDraw Office Viewer Component 5.2 allows remote attackers to…

published 2007-09-11 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4802

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.2%
EPSS 9.2% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

Buffer overflow in a certain ActiveX control in officeviewer.ocx 5.2.218.1 in EDraw Office Viewer Component 5.2 allows remote attackers to execute arbitrary code via a long first argument to the HttpDownloadFileToTempDir method, a different vulnerability than CVE-2007-3169.

Timeline

  1. First public exploit (EDB-4373)
  2. Published

Exploit prediction

9.25% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-4373 EDraw Office Viewer Component 5.2 - ActiveX Remote Buffer Overflow (PoC) dos, 2007-09-07
  • securityfocus.com http://www.securityfocus.com/bid/25593 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.