Out-of-bounds Read in Apple macOS
CVE-2023-32443
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Monterey 12.6.8, macOS Ventura 13.5, macOS Big Sur 11.7.9. Processing a file may lead to a denial-of-service or potentially disclose memory contents.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Apple macOS — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT213843 (Vendor Advisory)
- support.apple.com/en-us/HT213845 (Vendor Advisory)
- support.apple.com/en-us/HT213844 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-32443?
- CVE-2023-32443 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2023-07-27.
- How severe is CVE-2023-32443?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2023-32443 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.