Not rated
CVE-2021-1799 A port redirection issue was addressed with additional port validation
Description
A port redirection issue was addressed with additional port validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. A malicious website may be able to access restricted ports on arbitrary servers.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| iOS and iPadOS 14.4 | earliest → < 14.4 | 14.4 |
| macOS 14.0 | earliest → < 14.0 | 14.0 |
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
- FEDORA-2021-864dc37032 lists.fedoraproject.org
- FEDORA-2021-619711d709 lists.fedoraproject.org
- GLSA-202104-03 security.gentoo.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