CVE-2021-30809
HIGH 8.8EPSS 1.5%
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.
- CVSS v3.1
- 8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS v2.0
- 6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P - EPSS
- 1.50% chance of exploitation in the next 30 days, 72th percentile
- Published
- 2021-10-28
- Updated
- 2024-08-03
Proof-of-concept exploits (2)
- seregonwar/CVE-2021-30809-UAF4★ · 2025-08-10
- seregonwar/CVE-2021-30809-OOM