CVE-2021-30766: Input Validation
First published: Wed Jul 21 2021(Updated: )
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.
Credit: Yinyi Wu @3ndy1 Qihoo 360 Vulcan TeamLiu Long Ant Security LightLiu Long Ant Security LightYinyi Wu @3ndy1 Qihoo 360 Vulcan TeamLiu Long Ant Security LightLiu Long Ant Security Light product-security@apple.com Liu Long Ant Security LightYinyi Wu @3ndy1 Qihoo 360 Vulcan TeamLiu Long Ant Security Light
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple macOS Big Sur | <11.5 | 11.5 |
| Apple Mojave | ||
| Apple Mac OS X | >=10.14<=10.14.5 | |
| Apple Mac OS X | >=10.15<=10.15.6 | |
| Apple Mac OS X | =10.14.6 | |
| Apple Mac OS X | =10.14.6-security_update_2019-001 | |
| Apple Mac OS X | =10.14.6-security_update_2019-002 | |
| Apple Mac OS X | =10.14.6-security_update_2019-004 | |
| Apple Mac OS X | =10.14.6-security_update_2019-005 | |
| Apple Mac OS X | =10.14.6-security_update_2019-006 | |
| Apple Mac OS X | =10.14.6-security_update_2019-007 | |
| Apple Mac OS X | =10.14.6-security_update_2020-001 | |
| Apple Mac OS X | =10.14.6-security_update_2020-002 | |
| Apple Mac OS X | =10.14.6-security_update_2020-003 | |
| Apple Mac OS X | =10.14.6-security_update_2020-004 | |
| Apple Mac OS X | =10.14.6-security_update_2020-005 | |
| Apple Mac OS X | =10.14.6-security_update_2020-006 | |
| Apple Mac OS X | =10.14.6-security_update_2020-007 | |
| Apple Mac OS X | =10.14.6-security_update_2021-001 | |
| Apple Mac OS X | =10.14.6-security_update_2021-002 | |
| Apple Mac OS X | =10.14.6-security_update_2021-003 | |
| Apple Mac OS X | =10.14.6-security_update_2021-004 | |
| Apple Mac OS X | =10.14.6-supplemental_update | |
| Apple Mac OS X | =10.14.6-supplemental_update_2 | |
| Apple Mac OS X | =10.15.7 | |
| Apple Mac OS X | =10.15.7-security_update_2020 | |
| Apple Mac OS X | =10.15.7-security_update_2020-001 | |
| Apple Mac OS X | =10.15.7-security_update_2020-005 | |
| Apple Mac OS X | =10.15.7-security_update_2020-007 | |
| Apple Mac OS X | =10.15.7-security_update_2021-001 | |
| Apple Mac OS X | =10.15.7-security_update_2021-002 | |
| Apple Mac OS X | =10.15.7-security_update_2021-003 | |
| Apple Mac OS X | =10.15.7-supplemental_update | |
| Apple macOS | >=11.0<11.5 |
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Reference Links
- https://support.apple.com/en-us/HT212600 (Advisory)
- https://support.apple.com/en-us/HT212603 (Advisory)
- https://support.apple.com/en-us/HT212602 (Advisory)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30805
- CVE-2021-30790
- CVE-2021-30811
- CVE-2021-30781
- CVE-2021-30672
- CVE-2021-30775
- CVE-2021-30776
- CVE-2021-30772
- CVE-2021-30777
- CVE-2021-30789
- CVE-2021-30733
- CVE-2021-30774
- CVE-2021-30780
- CVE-2021-30768
- CVE-2021-30760
- CVE-2021-30759
- CVE-2021-30788
- CVE-2021-30785
- CVE-2021-30787
- CVE-2021-30765
- CVE-2021-30766
- CVE-2021-30784
- CVE-2021-30731
- CVE-2021-30703
- CVE-2021-30793
- CVE-2021-30677
- CVE-2021-30783
- CVE-2021-30791
- CVE-2021-30792
- CVE-2021-30796
- CVE-2021-30782
- CVE-2021-30799
- CVE-2021-30871
- CVE-2021-31006
- CVE-2021-30748
- CVE-2021-30786
- CVE-2021-30817
- CVE-2021-30804
- CVE-2021-30803
- CVE-2021-30779
- CVE-2021-30778
- CVE-2021-3518
- CVE-2021-1821
- CVE-2021-31004
- CVE-2021-30798
- CVE-2021-30758
- CVE-2021-30795
- CVE-2021-30797
Frequently Asked Questions
What is CVE-2021-30766?
CVE-2021-30766 is a vulnerability in the Intel Graphics Driver that allows an attacker to perform an out-of-bounds write.
How does Intel Graphics Driver vulnerability CVE-2021-30766 affect Apple Mojave?
Apple Mojave is affected by the Intel Graphics Driver vulnerability CVE-2021-30766 and requires the appropriate security update from Apple to address the issue.
What is the severity of vulnerability CVE-2021-30766?
The severity of vulnerability CVE-2021-30766 is not specified in the provided information. Refer to the official vulnerability report or the vendor's advisory for more details.
How can I fix the Intel Graphics Driver vulnerability CVE-2021-30766 on Apple macOS Big Sur 11.5?
To fix the Intel Graphics Driver vulnerability CVE-2021-30766 on Apple macOS Big Sur 11.5, update to the latest version of the operating system provided by Apple.
Where can I find more information about the Intel Graphics Driver vulnerability CVE-2021-30766?
You can find more information about the Intel Graphics Driver vulnerability CVE-2021-30766 in the references provided: [link1](https://support.apple.com/en-us/HT212600), [link2](https://support.apple.com/en-us/HT212602), [link3](https://support.apple.com/en-us/HT212603).
- collector/apple-support
- alias/CVE-2021-30766
- collector/nvd-index
- agent/severity
- agent/event
- agent/type
- agent/first-publish-date
- alias/CVE-2021-30765
- agent/software-canonical-lookup-request
- agent/weakness
- agent/last-modified-date
- agent/references
- agent/author
- agent/softwarecombine
- agent/description
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/apple
- canonical/apple catalina
- canonical/apple mojave
- canonical/apple mac os x
- version/apple mac os x/10.14
- version/apple mac os x/10.14.5
- version/apple mac os x/10.15
- version/apple mac os x/10.15.6
- version/apple mac os x/10.14.6
- version/apple mac os x/10.14.6-security_update_2019-001
- version/apple mac os x/10.14.6-security_update_2019-002
- version/apple mac os x/10.14.6-security_update_2019-004
- version/apple mac os x/10.14.6-security_update_2019-005
- version/apple mac os x/10.14.6-security_update_2019-006
- version/apple mac os x/10.14.6-security_update_2019-007
- version/apple mac os x/10.14.6-security_update_2020-001
- version/apple mac os x/10.14.6-security_update_2020-002
- version/apple mac os x/10.14.6-security_update_2020-003
- version/apple mac os x/10.14.6-security_update_2020-004
- version/apple mac os x/10.14.6-security_update_2020-005
- version/apple mac os x/10.14.6-security_update_2020-006
- version/apple mac os x/10.14.6-security_update_2020-007
- version/apple mac os x/10.14.6-security_update_2021-001
- version/apple mac os x/10.14.6-security_update_2021-002
- version/apple mac os x/10.14.6-security_update_2021-003
- version/apple mac os x/10.14.6-security_update_2021-004
- version/apple mac os x/10.14.6-supplemental_update
- version/apple mac os x/10.14.6-supplemental_update_2
- version/apple mac os x/10.15.7
- version/apple mac os x/10.15.7-security_update_2020
- version/apple mac os x/10.15.7-security_update_2020-001
- version/apple mac os x/10.15.7-security_update_2020-005
- version/apple mac os x/10.15.7-security_update_2020-007
- version/apple mac os x/10.15.7-security_update_2021-001
- version/apple mac os x/10.15.7-security_update_2021-002
- version/apple mac os x/10.15.7-security_update_2021-003
- version/apple mac os x/10.15.7-supplemental_update
- canonical/apple macos
- version/apple macos/11.0
- canonical/apple macos big sur