Is CVE-2019-8527 in the CISA KEV catalog?

No. CVE-2019-8527 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-8527?

CVE-2019-8527 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2019-8527?

CVE-2019-8527 has an EPSS score of 3.24% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-8527?

Upgrade iphone os to 12.2 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2019-8527

CRITICALEPSS 87th pctl

9.1

CVSS v3

NVD

Description

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

iphone osNVD

Affected:< 12.2Fixed in:12.2CVE-2019-8527derived from NVD

mac os xNVD

Affected:< 10.14.4Fixed in:10.14.4CVE-2019-8527derived from NVD

tvosNVD

Affected:< 12.2Fixed in:12.2CVE-2019-8527derived from NVD

watchosNVD

Affected:< 5.2Fixed in:5.2CVE-2019-8527derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.24%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Vendor Advisory4

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

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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.