Vulnerability Monitor

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CVE-2021-30749

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to arbitrary code execution.

Published

2021-09-08T14:15:09.767

Last Modified

2024-11-21T06:04:38.267

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-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apple	safari	< 14.1.1	Yes
Operating System	apple	ipados	< 14.6	Yes
Operating System	apple	iphone_os	< 14.6	Yes
Operating System	apple	macos	< 11.4	Yes
Operating System	apple	tvos	< 14.6	Yes
Operating System	apple	watchos	< 7.5	Yes

References

https://support.apple.com/en-us/HT212528 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212529 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212532 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212533 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212534 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212528 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212529 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212532 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212533 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212534 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)