CVE-2011-3221

NONENVD 0.0

0.0

QuickTime in Apple Mac OS X before 10.7.2 does not properly handle the atom hierarchy in movie files, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted file.

CVSS v3: —
EG Score: —
EPSS: 82.9%
KEV: Not listed

Published

October 14, 2011

Last Modified

April 29, 2026

References (10)

product-security@applehttp://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
product-security@applehttp://osvdb.org/76378
product-security@applehttp://support.apple.com/kb/HT5002
product-security@applehttp://support.apple.com/kb/HT5016
product-security@applehttp://www.securityfocus.com/bid/50085
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/76378
af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT5002
af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT5016
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/50085

Frequently asked(4)

What is CVE-2011-3221?

CVE-2011-3221 is a none vulnerability published on October 14, 2011. QuickTime in Apple Mac OS X before 10.7.2 does not properly handle the atom hierarchy in movie files, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted file.

When was CVE-2011-3221 disclosed?

CVE-2011-3221 was first published in the National Vulnerability Database on October 14, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-3221 actively exploited?

CVE-2011-3221 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-3221?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-3221, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2011-3221

📅 Published

🔄 Last Modified

🔗 References (10)