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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Apple macOS
unspecified to < 11.6affected
Apple iOS
unspecified to < 14.8affected
References
- https://support.apple.com/en-us/HT212804 ↗
- https://support.apple.com/en-us/HT212807 ↗
- http://seclists.org/fulldisclosure/2021/Sep/27 ↗
- http://seclists.org/fulldisclosure/2021/Sep/25 ↗
- http://seclists.org/fulldisclosure/2021/Sep/29 ↗
- http://www.openwall.com/lists/oss-security/2021/09/20/1 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ ↗
- http://seclists.org/fulldisclosure/2021/Sep/38 ↗
- http://seclists.org/fulldisclosure/2021/Sep/39 ↗
- https://www.debian.org/security/2021/dsa-4975 ↗
- https://www.debian.org/security/2021/dsa-4976 ↗
- https://support.apple.com/kb/HT212824 ↗
- http://seclists.org/fulldisclosure/2021/Sep/50 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ ↗
- http://www.openwall.com/lists/oss-security/2021/10/26/9 ↗
- http://www.openwall.com/lists/oss-security/2021/10/27/1 ↗
- http://www.openwall.com/lists/oss-security/2021/10/27/2 ↗
- http://www.openwall.com/lists/oss-security/2021/10/27/4 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30858 ↗