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Fencer Vulns
critical 9.3

CVE-2009-4107 json

Buffer overflow in Invisible Browsing 5.0.52 allows user-assisted remote attackers to execute arbitrary code via a crafted .ibkey file cont…

published 2009-11-28 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-4078

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.8%
EPSS 4.8% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

Buffer overflow in Invisible Browsing 5.0.52 allows user-assisted remote attackers to execute arbitrary code via a crafted .ibkey file containing a long string.

Timeline

  1. First public exploit (EDB-9655)
  2. Published

Exploit prediction

4.83% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-9655 Invisible Browsing 5.0.52 - '.ibkey' Local Buffer Overflow local, 2009-09-14
  • hjafari.blogspot.com http://hjafari.blogspot.com/2009/09/invisible-browsing-5052-ibkey-local.html 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.