Out-of-bounds Read in Apple macOS
CVE-2023-42886
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sonoma 14.2, macOS Ventura 13.6.3, macOS Monterey 12.7.2. A user may be able to cause unexpected app termination or arbitrary code execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (20.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Apple macOS — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT214038 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT214037 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT214036 (Release Notes, Vendor Advisory)
- seclists.org/fulldisclosure/2023/Dec/9 (Mailing List)
- seclists.org/fulldisclosure/2023/Dec/10 (Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2023/Dec/11 (Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-42886?
- CVE-2023-42886 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2023-12-12.
- How severe is CVE-2023-42886?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-42886 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.