CVE-2019-8605

Name: CVE-2019-8605
Creator: NVD / NIST
Published: 2019-12-18T18:15:28.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10Actively ExploitedEPSS 17.51%

Last modified Jun 17, 2026

CVE-2019-8605 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. CISA has confirmed active exploitation in the wild. EPSS estimates a 17.51% chance of exploitation in the next 30 days.

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to execute arbitrary code with system privileges.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

17.51%

96.8th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jul 18, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Iphone Os	< 12.3
Apple	Mac Os X	< 10.14.5
Apple	Tvos	< 12.3
Apple	Watchos	< 5.2.1

References

https://support.apple.com/HT210118Release Notes, Vendor Advisory
https://support.apple.com/HT210119Release Notes, Vendor Advisory
https://support.apple.com/HT210120Release Notes, Vendor Advisory
https://support.apple.com/HT210122Release Notes, Vendor Advisory
https://support.apple.com/HT210118Release Notes, Vendor Advisory
https://support.apple.com/HT210119Release Notes, Vendor Advisory
https://support.apple.com/HT210120Release Notes, Vendor Advisory
https://support.apple.com/HT210122Release Notes, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8605US Government Resource

Timeline

Published: Dec 18, 2019
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2019-8605?

How severe is CVE-2019-8605?

CVE-2019-8605 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 17.51% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2019-8605?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-8605?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST