Buffer overflow in Apple Macos

CVE-2025-31246

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.5, macOS Sonoma 14.7.6. Connecting to a malicious AFP server may corrupt kernel memory.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (36.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-31246?
CVE-2025-31246 is a high-severity vulnerability in Apple Macos, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-05-12.
How severe is CVE-2025-31246?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-31246 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.