Vulnerabilities > CVE-2021-1844 - Out-of-bounds Write vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 14.4.1 and iPadOS 14.4.1, Safari 14.0.3 (v. 14610.4.3.1.7 and 15610.4.3.1.7), watchOS 7.3.2, macOS Big Sur 11.2.3. Processing maliciously crafted web content may lead to arbitrary code execution.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- http://seclists.org/fulldisclosure/2021/Apr/55
- http://seclists.org/fulldisclosure/2021/Apr/55
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
- https://support.apple.com/en-us/HT212220
- https://support.apple.com/en-us/HT212220
- https://support.apple.com/en-us/HT212221
- https://support.apple.com/en-us/HT212221
- https://support.apple.com/en-us/HT212222
- https://support.apple.com/en-us/HT212222
- https://support.apple.com/en-us/HT212223
- https://support.apple.com/en-us/HT212223
- https://support.apple.com/kb/HT212323
- https://support.apple.com/kb/HT212323
- https://www.debian.org/security/2021/dsa-4923
- https://www.debian.org/security/2021/dsa-4923