Is CVE-2023-32423 in the CISA KEV catalog?

No. CVE-2023-32423 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-32423?

CVE-2023-32423 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-32423?

CVE-2023-32423 has an EPSS score of 0.79% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-32423?

Upgrade Safari to 16.5 or later.

CVE & CISA-KEV Catalog

CVE-2023-32423

MEDIUM

6.5

CVSS v3

NVD

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing web content may disclose sensitive information.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

SafariWindows application

Affected:16.5Fixed in:16.5Apple Inc.

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.79%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Vendor Advisory5

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

Embed a live status badge for CVE-2023-32423

Markdown

[![CVE-2023-32423](https://tridentstack.com/cve/badge/CVE-2023-32423.svg)](https://tridentstack.com/cve/CVE-2023-32423)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-32423"><img src="https://tridentstack.com/cve/badge/CVE-2023-32423.svg" alt="CVE-2023-32423"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2025-03-20.