What is CVE-2023-27959?

CVE-2023-27959 is a high-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-05-08.

How severe is CVE-2023-27959?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Apple iOS And Ipados

CVE-2023-27959

The issue was addressed with improved memory handling. This issue is fixed in iOS 16.4 and iPadOS 16.4. An app may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (16.4th 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 Ios And Ipados — versions unspecified
Apple Ipados
Apple Iphone_os

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

product-security@apple.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-27959?: CVE-2023-27959 is a high-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-05-08.
How severe is CVE-2023-27959?: High severity. CVSS v3 base score is 7.8 out of 10.