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

EPSS: 0.007 (49.4th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.