AUGUST 4, 2026
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Case File

CVE-2021-30703

HIGH · CVSS 7.8 EPSS 0.33%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-08 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. See the original NVD description below for full technical details.

CVE
CVE-2021-30703
Severity
HIGH
CVSS
7.8
EPSS
0.33%

Original NVD Description

A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.

Related CVEs

Other vulnerabilities affecting the same vendor(s)