Is CVE-2025-43377 in the CISA KEV catalog?

No. CVE-2025-43377 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-43377?

CVE-2025-43377 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2025-43377?

CVE-2025-43377 has an EPSS score of 0.17% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-43377?

Upgrade macos to 15.7.2 or later.

CVE & CISA-KEV Catalog

CVE-2025-43377

MEDIUM

5.5

CVSS v3

NVD

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, macOS Sequoia 15.7.2, macOS Tahoe 26.1. An app may be able to cause a denial-of-service.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

macosNVD

Affected:< 15.7.2Fixed in:15.7.2CVE-2025-43377derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.17%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	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 2025-12-17.