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Case File

CVE-2018-4257

CRITICAL · CVSS 9.8 EPSS 1.29%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-01-11 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2018-4257
Severity
CRITICAL
CVSS
9.8
EPSS
1.29%

Original NVD Description

In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved size validation.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-18016 MEDIUM CVE-2026-18013 MEDIUM CVE-2026-18011 LOW CVE-2026-18003 MEDIUM CVE-2026-17996 MEDIUM CVE-2026-17975 MEDIUM