CVE-2021-30666

HIGH | Platform: iOS | Changelog

CVE Details

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.5.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

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-119

References

Apple Security Advisory
NVD Entry
https://support.apple.com/en-us/HT212341 (Release Notes, Vendor Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30666 (Third Party Advisory, US Government Resource)