AUGUST 4, 2026
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Case File

CVE-2021-1883

MEDIUM · CVSS 5.5 EPSS 2.00%

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

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-1883
Severity
MEDIUM
CVSS
5.5
EPSS
2.00%

Original NVD Description

This issue was addressed with improved checks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously crafted server messages may lead to heap corruption.