How severe is CVE-2015-3661?

CVE-2015-3661 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2015-3661 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3661?

CVE-2015-3661 primarily affects Apple Quicktime. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-3661?

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

When was CVE-2015-3661 published?

CVE-2015-3661 was published on 2015-07-03 and last updated on 2026-06-17.

CVE-2015-3661

CVE-2015-3661 is a medium-severity vulnerability in Apple Quicktime with a CVSS 2.0 base score of 6.8. 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-119.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Apple Quicktime
Published: 2015-07-03
Last modified: 2026-06-17

Description

QT Media Foundation in Apple QuickTime before 7.7.7, as used in OS X before 10.10.4 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted file, a different vulnerability than CVE-2015-3662, CVE-2015-3663, CVE-2015-3666, CVE-2015-3667, and CVE-2015-3668.

Frequently asked questions

What is CVE-2015-3661?: QT Media Foundation in Apple QuickTime before 7.7.7, as used in OS X before 10.10.4 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted file, a different vulnerability than CVE-2015-3662, CVE-2015-3663, CVE-2015-3666, CVE-2015-3667, and CVE-2015-3668.
How severe is CVE-2015-3661?: CVE-2015-3661 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2015-3661 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3661?: CVE-2015-3661 primarily affects Apple Quicktime. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-3661?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3661 published?: CVE-2015-3661 was published on 2015-07-03 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:apple:quicktime:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

More vulnerabilities in Apple Quicktime

CVE-2007-6238 — Critical (CVSS 10.0): Unspecified vulnerability in Apple QuickTime 7.2 on Windows XP allows remote attackers to execute arbitrary code via…
CVE-2007-0462 — Critical (CVSS 10.0): The _GetSrcBits32ARGB function in Apple QuickDraw, as used by Quicktime 7.1.3 and other applications on Mac OS X 10.4.8…
CVE-2011-3428 — Critical (CVSS 9.8): Buffer overflow in QuickTime before 7.7.1 for Windows allows remote attackers to execute arbitrary code.
CVE-2014-4979 — Critical (CVSS 9.3): Apple QuickTime allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via…
CVE-2014-1251 — Critical (CVSS 9.3): Buffer overflow in Apple QuickTime before 7.7.5 allows remote attackers to execute arbitrary code or cause a denial of…
CVE-2014-1250 — Critical (CVSS 9.3): Apple QuickTime before 7.7.5 does not properly perform a byte-swapping operation, which allows remote attackers to…

All CVEs affecting Apple Quicktime →

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

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

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