CVEvulnerability
CVE-2021-1788
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
Description
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected configurations
• apple ipados (< 14.4)
• apple iphone os (< 14.4)
• 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 < 11.2)
• apple safari (< 14.0.3)
• apple tvos (< 14.4)
• apple watchos (< 7.3)
• debian debian linux 10.0
• fedoraproject fedora 33
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/ lists.fedoraproject.org
- https://support.apple.com/en-us/HT212146 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212147 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212148 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212149 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212152 Release Notes, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4923 Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/ lists.fedoraproject.org
- https://support.apple.com/en-us/HT212146 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212147 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212148 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212149 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212152 Release Notes, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4923 Third Party Advisory