CVE-2007-6166

CVE-2007-6166 is a critical-severity vulnerability in Apple Quicktime with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 42% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Stack-based buffer overflow in Apple QuickTime before 7.3.1, as used in QuickTime Player on Windows XP and Safari on Mac OS X, allows remote Real Time Streaming Protocol (RTSP) servers to execute arbitrary code via an RTSP response with a long Content-Type header.

Frequently asked questions

What is CVE-2007-6166?
Stack-based buffer overflow in Apple QuickTime before 7.3.1, as used in QuickTime Player on Windows XP and Safari on Mac OS X, allows remote Real Time Streaming Protocol (RTSP) servers to execute arbitrary code via an RTSP response with a long Content-Type header.
How severe is CVE-2007-6166?
CVE-2007-6166 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-6166 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 42% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6166?
CVE-2007-6166 primarily affects Apple Quicktime. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-6166?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-6166 published?
CVE-2007-6166 was published on 2007-11-29 and last updated on 2026-06-16.

References

Affected products (26)

More vulnerabilities in Apple Quicktime

All CVEs affecting Apple Quicktime →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →