CVE-2021-30796

MEDIUM

iPhone OS < 14.7 - Denial of Service via Malicious Image Processing

Title source: llm
STIX 2.1

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing a maliciously crafted image may lead to a denial of service.

References (4)

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

Scores

CVSS v3 6.5
EPSS 0.0161
EPSS Percentile 73.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

Status published
Products (18)
apple/iphone_os < 14.7
apple/mac_os_x 10.14
apple/mac_os_x 10.14.0
apple/mac_os_x 10.14.1
apple/mac_os_x 10.14.2
apple/mac_os_x 10.14.3
apple/mac_os_x 10.14.4 (2 CPE variants)
apple/mac_os_x 10.14.5
apple/mac_os_x 10.14.6 (19 CPE variants)
apple/mac_os_x 10.15
... and 8 more
Published Sep 08, 2021
Tracked Since Feb 18, 2026