First published: Tue Aug 24 2021(Updated: )
A use after free issue was addressed with improved memory management. 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: Chijin Zhou ShuiMuYuLin LtdTsinghua wingtecher lab Pangu Chijin Zhou ShuiMuYuLin LtdTsinghua wingtecher lab Pangu via Tianfu Cup Chijin Zhou ShuiMuYuLin LtdTsinghua wingtecher lab Pangu via Tianfu Cup Chijin Zhou ShuiMuYuLin LtdTsinghua wingtecher lab Pangu via Tianfu Cup Chijin Zhou ShuiMuYuLin LtdTsinghua wingtecher lab Pangu via Tianfu Cup cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Apple Safari | <15.2 | |
Apple iPadOS | <15.2 | |
Apple iPhone OS | <15.2 | |
Apple macOS | >=12.0<12.1 | |
Apple tvOS | <15.2 | |
Apple watchOS | <8.3 | |
Fedoraproject Fedora | =34 | |
Debian Debian Linux | =10.0 | |
Debian Debian Linux | =11.0 | |
Apple watchOS | <8.3 | 8.3 |
Apple macOS Monterey | <12.1 | 12.1 |
Apple Safari | <15.2 | 15.2 |
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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(Found alongside the following vulnerabilities)
CVE-2021-30936 is a vulnerability in WebKit that allows a use after free issue to occur due to inadequate memory management.
CVE-2021-30936 affects the following software: macOS Monterey 12.1, Safari 15.2, iOS 15.2, iPadOS 15.2, watchOS 8.3, and tvOS 15.2.
The severity of CVE-2021-30936 is not specified in the provided information.
To fix CVE-2021-30936, it is recommended to update the affected software to the specified versions.
You can find more information about CVE-2021-30936 on the official Apple support page linked in the references section.