What is CVE-2025-11458?

CVE-2025-11458 is a high-severity vulnerability in Apple macOS, classified under Heap-based Buffer Overflow. CVSS score: 8.1/10. Published 2025-11-06.

How severe is CVE-2025-11458?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2025-11458 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Apple macOS

CVE-2025-11458

Heap buffer overflow in Sync in Google Chrome prior to 141.0.7390.65 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: Buffer Overflow

EPSS: 0.003 (20.0th 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:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

w4zu/Debian_

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2025-11458?: CVE-2025-11458 is a high-severity vulnerability in Apple macOS, classified under Heap-based Buffer Overflow. CVSS score: 8.1/10. Published 2025-11-06.
How severe is CVE-2025-11458?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2025-11458 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.