Apple macOS up to 10.12.3 Carbon memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Apple macOS up to 10.12.3 (Operating System) and classified as critical. Affected by this issue is some unknown functionality of the component Carbon. 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.

The bug was discovered 03/27/2017. The weakness was presented 03/27/2017 by riusksk and John Villamil with Qihoo 360 Vulcan Team as HT207615 as confirmed advisory (Website). The advisory is available at This vulnerability is handled as CVE-2017-2379 since 12/01/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The advisory points out:

A buffer overflow existed in the handling of font files. This issue was addressed through improved bounds checking.

The vulnerability scanner Nessus provides a plugin with the ID 99264 (Apple TV < 10.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370348 (Apple Mac OS X Security Update Sierra 10.12.4, El Capitan 2017-001 and Yosemite 2017-001 Not Installed (APPLE-SA-2017-03-27-3)).

Upgrading to version 10.12.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (99264).







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 99264
Nessus Name: Apple TV < 10.2 Multiple Vulnerabilities
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OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207615
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Threat Intelligenceinfo

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Recommended: Upgrade
Status: 🔍

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Upgrade: macOS 10.12.4


12/01/2016 🔍
03/27/2017 +116 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
04/01/2017 +4 days 🔍
04/10/2017 +9 days 🔍
11/15/2022 +2045 days 🔍



Advisory: HT207615
Researcher: riusksk, John Villamil
Organization: Qihoo 360 Vulcan Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2379 (🔍)
SecurityTracker: 1038138
SecurityFocus: 97137 - Apple iOS/tvOS/macOS/watchOS Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2379 - Apple - Multiple Products - Buffer Overflow Issue

scip Labs:


Created: 03/28/2017 11:05 AM
Updated: 11/15/2022 06:03 PM
Changes: 03/28/2017 11:05 AM (79), 08/20/2020 04:46 PM (7), 11/15/2022 06:03 PM (4)
Complete: 🔍
Cache ID: 44:FEA:40


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