Out-of-bounds Read in Apple macOS
CVE-2025-43283
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Tahoe 26. An app may be able to cause unexpected system termination.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (29.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Apple Macos — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2025-43283?
- CVE-2025-43283 is a low-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 3.3/10. Published 2025-09-15.
- How severe is CVE-2025-43283?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2025-43283 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.