Apple Security Update for Quicktime

Number: AV14-086
Date: 24 October 2014


Apple has released updates for QuickTime 7.7.6 software running under Windows to correct four (4) vulnerabilities. Successful exploitation of these vulnerabilities could lead to denial of service or the execution of malicious code.


Users playing maliciously crafted movie files may lead to unexpected application termination or arbitrary code execution as a result of memory corruption issues existing in the handling of RLE encoded movie files and the 'mvhd' atoms.

Users playing maliciously crafted MIDI or m4a files may lead to unexpected application termination or arbitrary code execution as a result of buffer overflows existing in the handling of these files.

In all instances, this issue was addressed through improved bounds checking.

Affected products: Windows 7, Vista, XP SP2

CVE References: CVE-2014-1391, CVE-2014-4979, CVE-4350.

Suggested Action

CCIRC recommends that owner/operators test and deploy the vendor released updates or workarounds to affected platforms referred to in Apple Support Article HT6493.


Canadian critical infrastructure operators and provincial/territorial/municipal governments potentially affected by this Advisory are encouraged to contact CCIRC at

CCIRC encourages partners to share potentially malicious files/samples with CCIRC at :

Note : Suspicious files/emails should be zipped and protected with the password "infected".

References :

Note to Readers

In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.

Please note, CCIRC PGP key has recently been updated.

For general information, please contact Public Safety Canada's Public Affairs division at:

Telephone: 613-944-4875 or 1-800-830-3118
Fax: 613-998-9589

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