CVE-2021-1844

HIGH | Platform: iOS | Changelog

CVE Details

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.

CVSS 3.1 Score

Metric	Value
Base Score	8.8 (HIGH)
Vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`

Weakness

CWE-787

References

Apple Security Advisory
NVD Entry
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/
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)