CVE-2021-30844

HIGH

macOS < 10.15.6 and < 11.6.1 - Memory Leak via Logic Issue

Title source: llm
STIX 2.1

Description

A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.

References (4)

Core 4
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212804
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212805
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212871
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212872

Scores

CVSS v3 7.5
EPSS 0.0174
EPSS Percentile 74.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-401
Status published
Products (3)
apple/mac_os_x 10.15.7 (10 CPE variants)
apple/mac_os_x 10.15 - 10.15.6
apple/macos < 11.6.1
Published Oct 19, 2021
Tracked Since Feb 18, 2026