How severe is CVE-2007-6103?

CVE-2007-6103 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-6103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6103?

CVE-2007-6103 affects Ihu I Hear U. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-6103?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-6103 published?

CVE-2007-6103 was published on 2007-11-23 and last updated on 2026-06-16.

CVE-2007-6103

CVE-2007-6103 is a medium-severity vulnerability in Ihu I Hear U with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ihu I Hear U
Published: 2007-11-23
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2007-6103?: 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.
How severe is CVE-2007-6103?: CVE-2007-6103 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-6103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6103?: CVE-2007-6103 affects Ihu I Hear U. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-6103?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-6103 published?: CVE-2007-6103 was published on 2007-11-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ihu:i_hear_u:*:*:*:*:*:*:*:*

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