Not rated
CVE-2021-30846 A memory corruption issue was addressed with improved memory handling
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| iOS and iPadOS 15 | earliest → < 15 | 15 |
| tvOS 15 | earliest → < 15 | 15 |
| Safari 15 | earliest → < 15 | 15 |
| watchOS 8 | earliest → < 8 | 8 |
References
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- [oss-security] 20211026 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006 www.openwall.com
- [oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006 www.openwall.com
- [oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006 www.openwall.com
- 20211027 APPLE-SA-2021-10-26-8 Additional information for APPLE-SA-2021-09-20-5 Safari 15 seclists.org
- 20211027 APPLE-SA-2021-10-26-10 Additional information for APPLE-SA-2021-09-20-2 watchOS 8 seclists.org
- 20211027 APPLE-SA-2021-10-26-11 Additional information for APPLE-SA-2021-09-20-3 tvOS 15 seclists.org
- 20211027 APPLE-SA-2021-10-26-9 Additional information for APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15 seclists.org
- [oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006 www.openwall.com
- support.apple.com support.apple.com
- DSA-4995 www.debian.org
- DSA-4996 www.debian.org
- FEDORA-2021-131360fa9a lists.fedoraproject.org
- FEDORA-2021-483d896d1d lists.fedoraproject.org
Timeline
- Published
- Last modified
Other CVEs of iOS and iPadOS
The 2049 CVEs of iOS and iPadOS →
CVE-2026-86925
An authorization issue was addressed with improved state management
5.5
Medium
CVE-2026-84627
A buffer overflow was addressed with improved bounds checking
7.8
High
CVE-2026-86972
A buffer overflow was addressed with improved size validation
7.8
High
CVE-2026-113912
An out-of-bounds access issue was addressed with improved bounds checking
7.1
High