Is CVE-2023-42899 in the CISA KEV catalog?

No. CVE-2023-42899 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-42899?

CVE-2023-42899 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2023-42899?

CVE-2023-42899 has an EPSS score of 0.43% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-42899?

Upgrade ipados to 17.2 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2023-42899

HIGH

7.8

CVSS v3

NVD

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.2, iOS 17.2 and iPadOS 17.2, watchOS 10.2, macOS Ventura 13.6.3, tvOS 17.2, iOS 16.7.3 and iPadOS 16.7.3, macOS Monterey 12.7.2. Processing an image may lead to arbitrary code execution.

How to fix

Remediation Available

ipadosNVD

Affected:>= 17.0, < 17.2Fixed in:17.2CVE-2023-42899derived from NVD

iphone osNVD

Affected:>= 17.0, < 17.2Fixed in:17.2CVE-2023-42899derived from NVD

macosNVD

Affected:>= 14.0, < 14.2Fixed in:14.2CVE-2023-42899derived from NVD

tvosNVD

Affected:< 10.2Fixed in:10.2CVE-2023-42899derived from NVD

watchosNVD

Affected:< 10.2Fixed in:10.2CVE-2023-42899derived 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

0.43%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Vendor Advisory7

Third-Party Advisory7

Other references5

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Markdown

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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 2025-11-04.