CVE-2021-30934
High
Description
A buffer overflow issue was addressed with improved memory 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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Apple Safari
PublishedAug 24, 2021
First seenAug 24, 2021
How to fix
Update
- apple safari15.2 or later
- apple ipados15.2 or later
- apple iphone_os15.2 or later
- apple macos12.1 or later
- apple tvos15.2 or later
- apple watchos8.3 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/
- debian.org/security/2022/dsa-5061
- debian.org/security/2022/dsa-5060
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple safari | v < 15.2 | 15.2 |
| apple ipados | v < 15.2 | 15.2 |
| apple iphone_os | v < 15.2 | 15.2 |
| apple macos | 12.0 ≤ v < 12.1 | 12.1 |
| apple tvos | v < 15.2 | 15.2 |
| apple watchos | v < 8.3 | 8.3 |
| fedoraproject fedora | 34, 35 | — |
| debian debian_linux | 10.0, 11.0 | — |
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