First published: Tue Aug 24 2021(Updated: )
A race condition was addressed with improved state handling. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
Credit: Kunlun Lab via Tianfu Cup Kunlun Lab via Tianfu Cup Kunlun Lab via Tianfu Cup Kunlun Lab via Tianfu Cup Kunlun Lab via Tianfu Cup cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
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 | |
Apple Safari | <15.2 | |
Apple iPadOS | <15.2 | |
Apple iPhone OS | <15.2 | |
Apple macOS | <12.1 | |
Apple tvOS | <15.2 | |
Apple watchOS | <8.3 | |
Fedoraproject Fedora | =34 | |
Fedoraproject Fedora | =35 | |
Debian Debian Linux | =10.0 | |
Debian Debian Linux | =11.0 | |
Apple Safari | <15.2 | 15.2 |
Apple watchOS | <8.3 | 8.3 |
Apple tvOS | <15.2 | 15.2 |
Apple iOS | <15.2 | 15.2 |
Apple iPadOS | <15.2 | 15.2 |
Apple macOS Monterey | <12.1 | 12.1 |
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(Found alongside the following vulnerabilities)
CVE-2021-30984 is a vulnerability in WebKit that was addressed with improved state handling to fix a race condition.
CVE-2021-30984 affects the following software products: macOS Monterey 12.1, iOS up to exclusive version 15.2, iPadOS up to exclusive version 15.2, Safari up to exclusive version 15.2, tvOS up to exclusive version 15.2, and watchOS up to exclusive version 8.3.
The severity of CVE-2021-30984 is not mentioned in the provided information.
To fix CVE-2021-30984, make sure to update your software to the versions mentioned in the affected software list and follow the instructions provided by the software vendor.
You can find more information about CVE-2021-30984 in the references provided: [Reference 1](https://support.apple.com/en-us/HT212980), [Reference 2](https://support.apple.com/en-us/HT212978), [Reference 3](https://support.apple.com/en-us/HT212975).