Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-1788

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Published

2021-04-02T18:15:21.687

Last Modified

2024-11-21T05:45:06.860

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?
Operating System	apple	ipados	< 14.4	Yes
Operating System	apple	iphone_os	< 14.4	Yes
Operating System	apple	mac_os_x	< 10.14.6	Yes
Operating System	apple	mac_os_x	< 10.15.7	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	macos	< 11.2	Yes
Operating System	apple	safari	< 14.0.3	Yes
Operating System	apple	tvos	< 14.4	Yes
Operating System	apple	watchos	< 7.3	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	fedoraproject	fedora	33	Yes

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/ ([email protected])
https://support.apple.com/en-us/HT212146 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212147 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212148 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212149 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212152 Release Notes, Vendor Advisory ([email protected])
https://www.debian.org/security/2021/dsa-4923 Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/ (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212146 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212147 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212148 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212149 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212152 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2021/dsa-4923 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)