AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-1764

HIGH · CVSS 7.5 EPSS 1.96%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-02 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2021-1764
Severity
HIGH
CVSS
7.5
EPSS
1.96%

Original NVD Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause a denial of service.

Related CVEs

Other vulnerabilities affecting the same vendor(s)