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Fencer Vulns
high 7.5

CVE-2005-4466 in the critical feed json

Heap-based buffer overflow in the SIPParser function in i3sipmsg.dll in Interaction SIP Proxy before 3.0.011 allows remote attackers to cau…

published 2005-12-22 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-4461

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.9%
EPSS 12.9% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Heap-based buffer overflow in the SIPParser function in i3sipmsg.dll in Interaction SIP Proxy before 3.0.011 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a REGISTER request with a SPI version number that contains a large number of space or tab characters.

Patch / fix

Timeline

  1. First public exploit (EDB-26922)
  2. Published

Exploit prediction

12.94% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-26922 Interaction SIP Proxy 3.0 - Remote Heap Corruption Denial of Service dos, 2005-12-21
  • securityfocus.com http://www.securityfocus.com/bid/16001 referenced PoC, tagged "exploit" by a source, unverified
  • hat-squad.com http://www.hat-squad.com/en/000171.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

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.