CVEvulnerability
CVE-2020-9967
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-787
Description
Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
Affected configurations
• apple ipados (< 14.0)
• apple iphone os (< 14.0)
• apple mac os x (>= 10.14 < 10.14.6)
• apple mac os x (>= 10.15 < 10.15.7)
• apple mac os x 10.14.6
• apple mac os x 10.15.7
• apple macos (>= 11.0 < 11.1.0)
• apple tvos (< 14.0)
• apple watchos (< 7.0)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://packetstormsecurity.com/files/163501/XNU-Network-Stack-Kernel-Heap-Overflow.html Third Party Advisory, VDB Entry
- https://support.apple.com/en-us/HT211843 Vendor Advisory
- https://support.apple.com/en-us/HT211844 Vendor Advisory
- https://support.apple.com/en-us/HT211850 Vendor Advisory
- https://support.apple.com/en-us/HT211931 Vendor Advisory
- https://support.apple.com/en-us/HT212011 Vendor Advisory
- http://packetstormsecurity.com/files/163501/XNU-Network-Stack-Kernel-Heap-Overflow.html Third Party Advisory, VDB Entry
- https://support.apple.com/en-us/HT211843 Vendor Advisory
- https://support.apple.com/en-us/HT211844 Vendor Advisory
- https://support.apple.com/en-us/HT211850 Vendor Advisory
- https://support.apple.com/en-us/HT211931 Vendor Advisory
- https://support.apple.com/en-us/HT212011 Vendor Advisory