Buffer overflow in Apple macOS
CVE-2023-42926
Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Sonoma 14.2. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (25.6th 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 unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Mailing List, Third Party Advisory)
- product-security@apple.com (VDB Entry, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-42926?
- CVE-2023-42926 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-12-12.
- How severe is CVE-2023-42926?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-42926 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.