Security readout for executives and security teams
CVE-2012-3756 is a QuickTime media-parsing flaw. A malicious MP4 movie file can trigger a buffer overflow in vulnerable QuickTime versions before 7.7.3, potentially crashing the application or allowing code execution. Business urgency depends on whether legacy QuickTime is still installed or used to open untrusted media. Exposure is most likely on endpoints or media-processing systems where Apple QuickTime before 7.7.3 remains installed and can process MP4 files from email, downloads, web content, or shared storage. Prioritize remediation if QuickTime remains in the environment, especially on user workstations handling external media. The vulnerability is old, but code execution in a media parser remains material where legacy software persists. Mitigation focus: Upgrade Apple QuickTime to 7.7.3 or later where still required.; Remove legacy QuickTime installations that have no business need.; Limit opening of untrusted MP4 files until affected systems are remediated..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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Execution behavior lookup
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Open ATT&CK lookupCVE-2012-3756 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- oval:org.mitre.oval:def:16065CVE reference · vdb-entry, signature
- quicktime-rnet-bo(79903)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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