CVE-2021-30858
HIGH | Platform: iOS | Changelog
CVE Details
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. 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
References
- Apple Security Advisory
- NVD Entry
- http://seclists.org/fulldisclosure/2021/Sep/25 (Mailing List, Third Party Advisory)
- http://seclists.org/fulldisclosure/2021/Sep/27 (Mailing List, Third Party Advisory)
- http://seclists.org/fulldisclosure/2021/Sep/29 (Mailing List, Third Party Advisory)
- http://seclists.org/fulldisclosure/2021/Sep/38 (Mailing List, Third Party Advisory)
- http://seclists.org/fulldisclosure/2021/Sep/39 (Mailing List, Third Party Advisory)
- http://seclists.org/fulldisclosure/2021/Sep/50 (Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2021/09/20/1 (Mailing List)
- http://www.openwall.com/lists/oss-security/2021/10/26/9 (Mailing List)