Is CVE-2019-8539 in the CISA KEV catalog?

No. CVE-2019-8539 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-8539?

CVE-2019-8539 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2019-8539?

CVE-2019-8539 has an EPSS score of 1.15% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-8539?

Upgrade mac os x to 10.14.6 or later.

CVE & CISA-KEV Catalog

CVE-2019-8539

HIGH

7.8

CVSS v3

NVD

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra. A malicious application may be able to execute arbitrary code with system privileges.

How to fix

Remediation Available

mac os xNVD

Affected:>= 10.14.5, < 10.14.6Fixed in:10.14.6CVE-2019-8539derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.15%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Vendor Advisory1

support.apple.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.