How severe is CVE-2025-43255?

CVE-2025-43255 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-43255 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43255?

CVE-2025-43255 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-43255?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-43255 have an EU (EUVD) identifier?

Yes. CVE-2025-43255 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28002.

When was CVE-2025-43255 published?

CVE-2025-43255 was published on 2025-08-29 and last updated on 2026-06-17.

CVE-2025-43255

CVE-2025-43255 is a low-severity vulnerability in Apple Macos with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28002
Weakness: CWE-125
Affected product: Apple Macos
Published: 2025-08-29
Last modified: 2026-06-17

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to cause unexpected system termination.

Frequently asked questions

What is CVE-2025-43255?: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to cause unexpected system termination.
How severe is CVE-2025-43255?: CVE-2025-43255 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-43255 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43255?: CVE-2025-43255 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-43255?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-43255 have an EU (EUVD) identifier?: Yes. CVE-2025-43255 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28002.
When was CVE-2025-43255 published?: CVE-2025-43255 was published on 2025-08-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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