8.8
HIGH CVSS 3.1
CVE-2019-8623
Apple Safari Memory Corruption Vulnerability
Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1, Safari 12.1.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. Processing maliciously crafted web content may lead to arbitrary code execution.

INFO

Published Date :

Dec. 18, 2019, 6:15 p.m.

Last Modified :

Nov. 21, 2024, 4:50 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2019-8623 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple macos
2 Apple itunes
3 Apple mac_os_x
4 Apple iphone_os
5 Apple tvos
6 Apple watchos
7 Apple safari
8 Apple icloud
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
Solution
Multiple Apple products are vulnerable; update the affected software to the latest versions.
  • Update iCloud for Windows to version 7.12 or later.
  • Update iTunes for Windows to version 12.9.5 or later.
  • Update Safari to version 12.1.1 or later.
  • Update iOS to version 12.3 or later, if applicable.
Public PoC/Exploit Available at Github

CVE-2019-8623 has a 8 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-8623.

URL Resource
https://support.apple.com/HT210118 Vendor Advisory
https://support.apple.com/HT210119 Vendor Advisory
https://support.apple.com/HT210120 Vendor Advisory
https://support.apple.com/HT210122 Vendor Advisory
https://support.apple.com/HT210123 Vendor Advisory
https://support.apple.com/HT210124 Vendor Advisory
https://support.apple.com/HT210125 Vendor Advisory
https://support.apple.com/HT210212 Vendor Advisory
https://support.apple.com/HT210118 Vendor Advisory
https://support.apple.com/HT210119 Vendor Advisory
https://support.apple.com/HT210120 Vendor Advisory
https://support.apple.com/HT210122 Vendor Advisory
https://support.apple.com/HT210123 Vendor Advisory
https://support.apple.com/HT210124 Vendor Advisory
https://support.apple.com/HT210125 Vendor Advisory
https://support.apple.com/HT210212 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-8623 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-8623 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Dockerfile Shell Swift JavaScript Python C

Updated: 2 weeks, 4 days ago
0 stars 0 fork 0 watcher
Born at : Aug. 24, 2025, 8:12 a.m. This repo has been linked 72 different CVEs too.

None

Dockerfile Shell Swift JavaScript Python C C++

Updated: 11 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Sept. 26, 2024, 7:52 p.m. This repo has been linked 44 different CVEs too.

None

Dockerfile Shell Swift JavaScript Python C

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : July 28, 2024, 8:12 a.m. This repo has been linked 60 different CVEs too.

None

Dockerfile Shell Swift JavaScript Python C

Updated: 1 year, 2 months ago
0 stars 0 fork 0 watcher
Born at : July 10, 2024, 7:52 a.m. This repo has been linked 56 different CVEs too.

None

Dockerfile Shell Swift JavaScript Python C

Updated: 1 year, 3 months ago
0 stars 0 fork 0 watcher
Born at : May 4, 2024, 7:46 a.m. This repo has been linked 60 different CVEs too.

None

Dockerfile Shell OCaml Swift C

Updated: 2 months ago
67 stars 8 fork 8 watcher
Born at : Oct. 10, 2022, 1:34 p.m. This repo has been linked 38 different CVEs too.

None

Dockerfile Shell Swift C JavaScript

Updated: 4 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Sept. 21, 2022, 1:22 a.m. This repo has been linked 44 different CVEs too.

A JavaScript Engine Fuzzer

C Swift Shell Dockerfile JavaScript Python

Updated: 3 days, 5 hours ago
2080 stars 327 fork 327 watcher
Born at : March 20, 2019, 3:32 p.m. This repo has been linked 72 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-8623 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-8623 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://support.apple.com/HT210118
    Added Reference https://support.apple.com/HT210119
    Added Reference https://support.apple.com/HT210120
    Added Reference https://support.apple.com/HT210122
    Added Reference https://support.apple.com/HT210123
    Added Reference https://support.apple.com/HT210124
    Added Reference https://support.apple.com/HT210125
    Added Reference https://support.apple.com/HT210212
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-119 CWE-787
  • Initial Analysis by [email protected]

    Dec. 20, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.apple.com/HT210118 No Types Assigned https://support.apple.com/HT210118 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT210119 No Types Assigned https://support.apple.com/HT210119 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT210120 No Types Assigned https://support.apple.com/HT210120 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT210122 No Types Assigned https://support.apple.com/HT210122 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT210123 No Types Assigned https://support.apple.com/HT210123 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT210124 No Types Assigned https://support.apple.com/HT210124 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT210125 No Types Assigned https://support.apple.com/HT210125 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT210212 No Types Assigned https://support.apple.com/HT210212 Vendor Advisory
    Added CWE NIST CWE-119
    Added CPE Configuration OR *cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* versions up to (excluding) 7.12 *cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* versions from (including) 10.0 up to (excluding) 10.4 *cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* versions up to (excluding) 12.9.5 *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 12.1.1 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 12.3 *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions up to (excluding) 10.14.5 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 12.3 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 5.2.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 6.8
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

27.09 }} -6.86%

score

0.96107

percentile