What is CVE-2023-27957?

CVE-2023-27957 is a high-severity vulnerability in Apple macOS, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2023-05-08.

How severe is CVE-2023-27957?

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

Buffer overflow in Apple macOS

CVE-2023-27957

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (13.2th 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)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

product-security@apple.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-27957?: CVE-2023-27957 is a high-severity vulnerability in Apple macOS, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2023-05-08.
How severe is CVE-2023-27957?: High severity. CVSS v3 base score is 7.8 out of 10.