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.

Related CVEs

CVE-2021-1883

Key Information

GHSA ID

GHSA-vq82-pf9c-33h9

Published

May 24, 2022 7:13 PM

Last Modified

June 29, 2022 12:00 AM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: July 27, 2025 6:35 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.