How severe is CVE-2007-3748?

CVE-2007-3748 has a CVSS 2.0 base score of 5.4, rated medium severity.

Is CVE-2007-3748 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3748?

CVE-2007-3748 affects Apple Ichat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-3748?

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

When was CVE-2007-3748 published?

CVE-2007-3748 was published on 2007-08-03 and last updated on 2026-06-16.

CVE-2007-3748

CVE-2007-3748 is a medium-severity vulnerability in Apple Ichat with a CVSS 2.0 base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.4)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Ichat
Published: 2007-08-03
Last modified: 2026-06-16

Description

Buffer overflow in the UPnP IGD (Internet Gateway Device Standardized Device Control Protocol) implementation in iChat on Apple Mac OS X 10.3.9 and 10.4.10 allows network-adjacent remote attackers to execute arbitrary code via a crafted packet.

Frequently asked questions

What is CVE-2007-3748?: Buffer overflow in the UPnP IGD (Internet Gateway Device Standardized Device Control Protocol) implementation in iChat on Apple Mac OS X 10.3.9 and 10.4.10 allows network-adjacent remote attackers to execute arbitrary code via a crafted packet.
How severe is CVE-2007-3748?: CVE-2007-3748 has a CVSS 2.0 base score of 5.4, rated medium severity.
Is CVE-2007-3748 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3748?: CVE-2007-3748 affects Apple Ichat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-3748?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3748 published?: CVE-2007-3748 was published on 2007-08-03 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:apple:ichat:*:*:*:*:*:*:*:*

More vulnerabilities in Apple Ichat

CVE-2007-0614 — High (CVSS 7.8): The Bonjour functionality in mDNSResponder, iChat 3.1.6, and InstantMessage framework 428 in Apple Mac OS X 10.4.8…
CVE-2007-0021 — High (CVSS 7.5): Format string vulnerability in Apple iChat 3.1.6 allows remote attackers to cause a denial of service (null pointer…
CVE-2004-0873 — High (CVSS 7.5): Apple iChat AV 2.1, AV 2.0, and 1.0.1 allows remote attackers to execute arbitrary programs via a "link" that…
CVE-2007-3746 — Medium (CVSS 6.8): The Java interface to CoreAudio on Apple Mac OS X 10.3.9 and 10.4.10 does not properly check the bounds of heap read…
CVE-2007-3747 — Medium (CVSS 6.8): The Java interface to CoreAudio on Apple Mac OS X 10.3.9 and 10.4.10 does not restrict object instantiation and…
CVE-2007-0613 — Medium (CVSS 5.0): The Bonjour functionality in mDNSResponder, iChat 3.1.6, and InstantMessage framework 428 in Apple Mac OS X 10.4.8 does…

All CVEs affecting Apple Ichat →