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CVE-2019-8605

Apple Multiple Products Use-After-Free

7.8 HIGHActively exploited (CISA KEV)EPSS 17.6%
  1. Published18 Dec 2019
  2. Added to CISA KEV27 Jun 2022
  3. Remediation due18 Jul 2022
Actively exploited (CISA KEV)

A use-after-free vulnerability in Apple iOS, macOS, tvOS, and watchOS could allow a malicious application to execute code with system privileges.

Added to KEV: 27 Jun 2022Federal remediation due: 18 Jul 2022

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.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Apple iPhone OS< 12.3
Apple Mac OS X< 10.14.5
Apple Tvos< 12.3
Apple Watchos< 5.2.1

Remediation

Fixed in
Apple iPhone OS≥ 12.3
Apple Mac OS X≥ 10.14.5
Apple Tvos≥ 12.3
Apple Watchos≥ 5.2.1

References

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Frequently asked

Is CVE-2019-8605 being actively exploited?

Yes. CVE-2019-8605 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 27 Jun 2022.

How severe is CVE-2019-8605?

CVE-2019-8605 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 17.6% probability of exploitation.

Which products are affected by CVE-2019-8605?

Affected products include Apple iPhone OS, Apple Mac OS X, Apple Tvos, Apple Watchos.

How do I fix CVE-2019-8605?

Upgrade affected software to a fixed version, for example Apple iPhone OS 12.3, Apple Mac OS X 10.14.5, Apple Tvos 12.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2019-8605 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.