CVE-2021-30698
HIGHSafari < 14.1.1 - Denial of Service via Null Pointer Dereference
Title source: llmDescription
A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Safari 14.1.1, iOS 14.6 and iPadOS 14.6. A remote attacker may be able to cause a denial of service.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212528
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212529
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212534
Scores
CVSS v3
7.5
EPSS
0.0211
EPSS Percentile
79.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (4)
apple/ipados
< 14.6
apple/iphone_os
< 14.6
apple/macos
11.0 - 11.4
apple/safari
< 14.1.1
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026