CVE-2021-30846
HIGHSafari < 15.0 - Remote Code Execution via Malicious Web Content
Title source: llmDescription
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.
References (18)
Core 18
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212807
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212814
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212819
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212815
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212816
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/10/26/9
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/10/27/1
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/10/27/2
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2021/Oct/60
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2021/Oct/62
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2021/Oct/63
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2021/Oct/61
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/10/27/4
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212869
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4995
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4996
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/
Scores
CVSS v3
7.8
EPSS
0.0042
EPSS Percentile
62.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (10)
apple/ipados
< 14.8
apple/iphone_os
< 14.8
apple/macos
< 12.0.1
apple/safari
< 15.0
apple/tvos
< 15.0
apple/watchos
< 8.0
debian/debian_linux
10.0
debian/debian_linux
11.0
fedoraproject/fedora
33
fedoraproject/fedora
34
Published
Oct 19, 2021
Tracked Since
Feb 18, 2026