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Fencer Vulns
medium 5.0

CVE-2007-6103 json

I Hear U (IHU) 0.5.6 and earlier allows remote attackers to cause (1) a denial of service (infinite loop) via a packet that contains zero i…

published 2007-11-23 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-6072

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.0%
EPSS 5.0% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

I Hear U (IHU) 0.5.6 and earlier allows remote attackers to cause (1) a denial of service (infinite loop) via a packet that contains zero in the size field in its header, which is improperly handled by the Receiver::processPacket function; and (2) a denial of service (daemon crash) via an (a) IHU_INFO_INIT or a (b) IHU_INFO_RING packet that does not specify the mode, which is improperly handled by the Player::ring function in Player.cpp.

Patch / fix

Timeline

  1. First public exploit (EDB-30791)
  2. Published

Exploit prediction

4.96% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-30791 I Hear U 0.5.6 - Multiple Remote Denial of Service Vulnerabilities dos, 2007-11-19
  • aluigi.altervista.org http://aluigi.altervista.org/adv/ihudos-adv.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

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.