VULNERABILITY INTELLIGENCE
CVE-2021-30809
CVSS score8.8 HIGH
EPSS probability1.51%
CISA KEVNot currently listed
Published2021-10-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary code execution.
Weakness classification
- nvd@nist.gov: CWE-416
Primary references
- product-security@apple.com — Mailing List, Third Party Advisory
- product-security@apple.com — Release Notes, Vendor Advisory
- product-security@apple.com — Release Notes, Vendor Advisory
- product-security@apple.com — Release Notes, Vendor Advisory
- product-security@apple.com — Release Notes, Vendor Advisory
- product-security@apple.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory