Apple Mac OS X up to 10.11.4 QuickTime memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Apple Mac OS X up to 10.11.4 (Operating System). It has been rated as critical. Affected by this issue is some unknown functionality of the component QuickTime. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

QuickTime in Apple OS X before 10.11.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted file.

The weakness was presented 05/16/2016 by Francis Provencher (lokihardt) with Google Project Zero as HT206567 as confirmed advisory (Website). The advisory is shared for download at This vulnerability is handled as CVE-2016-1848 since 01/13/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The advisory points out:

A memory corruption issue was addressed through improved memory handling.

A public exploit has been developed by Francis Provencher and been published 3 days after the advisory. The exploit is available at It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 91228 (Mac OS X 10.11.x < 10.11.5 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c.

Upgrading to version 10.11.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (39839), Tenable (91228) and SecurityFocus (BID 90696†).








CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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NVD Base Score: 7.8
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Francis Provencher
Download: 🔍

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Nessus ID: 91228
Nessus Name: Mac OS X 10.11.x < 10.11.5 Multiple Vulnerabilities
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OpenVAS ID: 881901
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 November-2016
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Threat Intelligenceinfo

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Recommended: Upgrade
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Upgrade: Mac OS X 10.11.5


01/13/2016 🔍
05/16/2016 +124 days 🔍
05/16/2016 +0 days 🔍
05/16/2016 +0 days 🔍
05/18/2016 +2 days 🔍
05/19/2016 +1 days 🔍
05/19/2016 +0 days 🔍
05/19/2016 +0 days 🔍
05/20/2016 +1 days 🔍
08/21/2022 +2284 days 🔍



Advisory: HT206567
Researcher: Francis Provencher (lokihardt)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1848 (🔍)
SecurityFocus: 90696 - Apple Mac OS X APPLE-SA-2016-05-16-4 Multiple Security Vulnerabilities
SecurityTracker: 1035895

scip Labs:


Created: 05/18/2016 11:53 AM
Updated: 08/21/2022 08:18 AM
Changes: 05/18/2016 11:53 AM (78), 12/01/2018 11:47 PM (13), 08/21/2022 08:18 AM (4)
Complete: 🔍
Cache ID: 44:083:40


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