CVEvulnerability
CVE-2021-1844
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
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.
Affected configurations
• apple safari (< 14.0.3)
• apple ipados (< 14.4.1)
• apple iphone os (< 14.4.1)
• apple macos (< 11.2.3)
• apple tvos (< 14.5)
• apple watchos (< 7.3.2)
• debian debian linux 10.0
• fedoraproject fedora 33
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://seclists.org/fulldisclosure/2021/Apr/55 Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/ lists.fedoraproject.org
- https://support.apple.com/en-us/HT212220 Vendor Advisory
- https://support.apple.com/en-us/HT212221 Vendor Advisory
- https://support.apple.com/en-us/HT212222 Vendor Advisory
- https://support.apple.com/en-us/HT212223 Vendor Advisory
- https://support.apple.com/kb/HT212323 Vendor Advisory
- https://www.debian.org/security/2021/dsa-4923 Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/55 Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/ lists.fedoraproject.org
- https://support.apple.com/en-us/HT212220 Vendor Advisory
- https://support.apple.com/en-us/HT212221 Vendor Advisory
- https://support.apple.com/en-us/HT212222 Vendor Advisory
- https://support.apple.com/en-us/HT212223 Vendor Advisory
- https://support.apple.com/kb/HT212323 Vendor Advisory
- https://www.debian.org/security/2021/dsa-4923 Third Party Advisory