CVE-2021-30661
HIGH KEVSafari <14.1 - Use After Free
Title source: llmDescription
A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
References (7)
Scores
CVSS v3
8.8
EPSS
0.0011
EPSS Percentile
30.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CISA KEV
2021-11-03
VulnCheck KEV
2021-04-26
InTheWild.io
2021-04-26
ENISA EUVD
EUVD-2021-17578
CWE
CWE-416
Status
published
Products (6)
apple/ipados
< 14.5
apple/iphone_os
< 12.5.3
apple/macos
11.0 - 11.3
apple/safari
< 14.1
apple/tvos
< 14.5
apple/watchos
< 7.4
Published
Sep 08, 2021
KEV Added
Nov 03, 2021
Tracked Since
Feb 18, 2026