Apple Safari up to 9 WebKit resource management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability was found in Apple Safari up to 9 (Web Browser) and classified as critical. This issue affects some unknown functionality of the component WebKit. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability.

The weakness was shared 03/18/2016 by 0x1byte as HT206171 as confirmed advisory (Website) via ZDI (Zero Day Initiative). It is possible to read the advisory at The identification of this vulnerability is CVE-2016-1778 since 01/12/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 124837 (Apple Safari 9.1 Not Installed (APPLE-SA-2016-03-21-6)).

Upgrading to version 9.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries 81414, 81415, 81416 and 81420 are related to this item.






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


OpenVAS ID: 802235
OpenVAS Name: Apple Safari Multiple Vulnerabilities-01 Mar16 (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Safari 9.1


01/12/2016 🔍
03/18/2016 +65 days 🔍
03/18/2016 +0 days 🔍
03/23/2016 +5 days 🔍
03/23/2016 +0 days 🔍
07/10/2022 +2300 days 🔍



Advisory: HT206171
Researcher: 0x1byte
Status: Confirmed

CVE: CVE-2016-1778 (🔍)
SecurityTracker: 1035353

See also: 🔍


Created: 03/23/2016 12:02 PM
Updated: 07/10/2022 04:56 PM
Changes: 03/23/2016 12:02 PM (61), 09/08/2018 10:07 AM (11), 07/10/2022 04:56 PM (4)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!