Out-of-bounds Read in Apple macOS
CVE-2025-43254
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. Processing a maliciously crafted file may lead to unexpected app termination.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (12.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
Affected products
- Apple Macos — versions 0
Weakness classification (CWE)
References
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2025-43254?
- CVE-2025-43254 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2025-07-30.
- How severe is CVE-2025-43254?
- High severity. CVSS v3 base score is 7.1 out of 10.