Vulnerability Monitor

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CVE-2021-30809

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary code execution.

Published

2021-10-28T19:15:08.767

Last Modified

2024-11-21T06:04:45.630

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apple	safari	< 15.0	Yes
Operating System	apple	ipados	< 15.0	Yes
Operating System	apple	iphone_os	< 15.0	Yes
Operating System	apple	macos	< 12.0.1	Yes
Operating System	apple	tvos	< 15.0	Yes
Operating System	apple	watchos	< 8.0	Yes

References

http://www.openwall.com/lists/oss-security/2021/12/20/6 Mailing List, Third Party Advisory ([email protected])
https://support.apple.com/en-us/HT212814 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212815 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212816 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212819 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/kb/HT212869 Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2021/12/20/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212814 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212815 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212816 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212819 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212869 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)