Is CVE-2023-23535 in the CISA KEV catalog?

No. CVE-2023-23535 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-23535?

CVE-2023-23535 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2023-23535?

CVE-2023-23535 has an EPSS score of 0.24% (15th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-23535?

Upgrade ipados to 16.4 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2023-23535

MEDIUM

5.5

CVSS v3

NVD

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, macOS Big Sur 11.7.5, iOS 15.7.4 and iPadOS 15.7.4, macOS Monterey 12.6.6, tvOS 16.4, watchOS 9.4. Processing a maliciously crafted image may result in disclosure of process memory.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

ipadosNVD

Affected:>= 16.0, < 16.4Fixed in:16.4CVE-2023-23535derived from NVD

iphone osNVD

Affected:>= 16.0, < 16.4Fixed in:16.4CVE-2023-23535derived from NVD

macosNVD

Affected:>= 13.0, < 13.3Fixed in:13.3CVE-2023-23535derived from NVD

tvosNVD

Affected:< 16.4Fixed in:16.4CVE-2023-23535derived from NVD

watchosNVD

Affected:< 9.4Fixed in:9.4CVE-2023-23535derived 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

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.24%probability of exploitation in 30 days

15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Vendor Advisory6

Other references1

support.apple.com

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 2025-01-29.