CVE-2021-30791

MEDIUM

iOS <14.7 - Info Disclosure

Title source: llm
STIX 2.1

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Processing a maliciously crafted file may disclose user information.

References (4)

Core 4
Core References
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212603
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212600
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212601
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212602

Scores

CVSS v3 5.5
EPSS 0.0034
EPSS Percentile 56.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-125
Status published
Products (6)
apple/ipados < 14.7
apple/iphone_os < 14.7
apple/mac_os_x 10.14.6 (20 CPE variants)
apple/mac_os_x 10.15.7 (9 CPE variants)
apple/mac_os_x 10.14.0 - 10.14.6
apple/macos < 11.5
Published Sep 08, 2021
Tracked Since Feb 18, 2026