What is CVE-2025-31280?

CVE-2025-31280 is a high-severity vulnerability in Apple macOS, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2025-07-30.

How severe is CVE-2025-31280?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Apple macOS

CVE-2025-31280

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.6. Processing a maliciously crafted file may lead to heap corruption.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (20.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

product-security@apple.com (Release Notes, Vendor Advisory)
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Frequently asked questions

What is CVE-2025-31280?: CVE-2025-31280 is a high-severity vulnerability in Apple macOS, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2025-07-30.
How severe is CVE-2025-31280?: High severity. CVSS v3 base score is 7.8 out of 10.