CVE-2021-30749
First published: Mon May 24 2021(Updated: )
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.
Credit: an anonymous researcher mipu94 SEFCOM labASU. Trend Micro Zero Day InitiativeJack Dates @ret2systems RET2 Systems Incan anonymous researcher mipu94 SEFCOM labASU. Trend Micro Zero Day InitiativeJack Dates @ret2systems RET2 Systems Incan anonymous researcher mipu94 SEFCOM labASU. Trend Micro Zero Day InitiativeJack Dates @ret2systems RET2 Systems Incan anonymous researcher mipu94 SEFCOM labASU. Trend Micro Zero Day InitiativeJack Dates @ret2systems RET2 Systems Incan anonymous researcher mipu94 SEFCOM labASU. Trend Micro Zero Day InitiativeJack Dates @ret2systems RET2 Systems Inc product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple tvOS | <14.6 | 14.6 |
| Apple Safari | <14.1.1 | 14.1.1 |
| Apple Safari | <14.1.1 | |
| Apple iPadOS | <14.6 | |
| Apple iPhone OS | <14.6 | |
| Apple macOS | >=11.0<11.4 | |
| Apple tvOS | <14.6 | |
| Apple watchOS | <7.5 | |
| debian/webkit2gtk | 2.36.4-1~deb10u1 2.38.6-0+deb10u1 2.40.5-1~deb11u1 2.42.1-1~deb11u2 2.40.5-1~deb12u1 2.42.1-1~deb12u1 2.42.1-2 | |
| debian/wpewebkit | 2.38.6-1~deb11u1 2.38.6-1 2.42.1-1 |
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Reference Links
- https://support.apple.com/en-us/HT212528 (Advisory)
- https://support.apple.com/en-us/HT212529 (Advisory)
- https://support.apple.com/en-us/HT212532 (Advisory)
- https://support.apple.com/en-us/HT212533 (Advisory)
- https://support.apple.com/en-us/HT212534 (Advisory)
- https://webkitgtk.org/security/WSA-2021-0004.html
- https://security-tracker.debian.org/tracker/CVE-2021-30749
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30749
- CVE-2021-30734
- CVE-2021-30744
- CVE-2021-30720
- CVE-2021-30682
- CVE-2021-21779
- CVE-2021-30689
- CVE-2021-30663
- CVE-2021-23841
- CVE-2021-30698
- CVE-2021-30678
- CVE-2021-30676
- CVE-2021-30688
- CVE-2021-30669
- CVE-2021-30707
- CVE-2021-30685
- CVE-2021-30672
- CVE-2021-30681
- CVE-2021-30686
- CVE-2021-30733
- CVE-2021-30753
- CVE-2021-30727
- CVE-2021-30724
- CVE-2021-30673
- CVE-2021-30771
- CVE-2021-30755
- CVE-2021-30684
- CVE-2021-30735
- CVE-2021-30697
- CVE-2021-30710
- CVE-2021-30683
- CVE-2021-30687
- CVE-2021-30700
- CVE-2021-30701
- CVE-2021-30705
- CVE-2021-30706
- CVE-2021-30719
- CVE-2021-30728
- CVE-2021-30726
- CVE-2021-30731
- CVE-2021-30740
- CVE-2021-30704
- CVE-2021-30715
- CVE-2021-30736
- CVE-2021-30739
- CVE-2021-30703
- CVE-2021-30680
- CVE-2021-30677
- CVE-2021-30702
- CVE-2021-30696
- CVE-2021-30756
- CVE-2021-30723
- CVE-2021-30691
- CVE-2021-30692
- CVE-2021-30694
- CVE-2021-30725
- CVE-2021-30746
- CVE-2021-30693
- CVE-2021-30695
- CVE-2021-30708
- CVE-2021-30709
- CVE-2021-30679
- CVE-2020-36226
- CVE-2020-36227
- CVE-2020-36223
- CVE-2020-36224
- CVE-2020-36225
- CVE-2020-36221
- CVE-2020-36228
- CVE-2020-36222
- CVE-2020-36230
- CVE-2020-36229
- CVE-2021-30738
- CVE-2021-30751
- CVE-2021-30737
- CVE-2021-30716
- CVE-2021-30717
- CVE-2021-30721
- CVE-2021-30722
- CVE-2021-30712
- CVE-2021-30668
- CVE-2021-30718
- CVE-2021-30671
- CVE-2021-30713
- CVE-2021-30665
- CVE-2021-30714
- CVE-2021-30729
- CVE-2021-30674
- CVE-2021-30741
- CVE-2021-1821
- CVE-2021-30699
- CVE-2021-30999
- CVE-2021-30667
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-30749.
What is the affected software?
The affected software includes Apple tvOS 14.6, Apple watchOS 7.5, Apple Safari 14.1.1, Apple macOS Big Sur 11.4, Apple iOS 14.6, and Apple iPadOS 14.6.
What is the severity of CVE-2021-30749?
The severity of CVE-2021-30749 is not specified.
What is the remedy for CVE-2021-30749?
The remedy for CVE-2021-30749 is to update to the specified versions of the affected software.
Where can I find more information about CVE-2021-30749?
You can find more information about CVE-2021-30749 on the following references: [URL1], [URL2], [URL3].
- collector/security-tracker-debian
- collector/apple-support
- alias/CVE-2021-30734
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- agent/software-canonical-lookup-request
- agent/softwarecombine
- collector/nvd-index
- agent/author
- agent/references
- agent/weakness
- agent/severity
- agent/tags
- agent/event
- agent/description
- collector/mitre-cve
- source/MITRE
- package-manager/debian
- vendor/apple
- canonical/apple safari
- canonical/apple macos big sur
- canonical/apple watchos
- canonical/apple ipados
- canonical/apple iphone os
- canonical/apple macos
- version/apple macos/11.0
- canonical/apple tvos
- canonical/apple ios