Use after free in Apple tvOS
Priority MEDIUM 42CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 2 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
Why it matters now
EPSS 0.01789 78th percentileScored 2026-11-07
Fix Partial tvOS (Apple): 14.0watchOS (Apple): 7.0+4 more productsRed Hat: 1 advisoryRed Hat: 2 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | tvOS | before 14.0 | 14.0 | Patch available | CNA |
| Apple | watchOS | before 7.0 | 7.0 | Patch available | CNA |
| Apple | Safari | before 14.0 | 14.0 | Patch available | CNA |
| Apple | iOS and iPadOS | before 14.0 | 14.0 | Patch available | CNA |
| Apple | iCloud for Windows | before 11.5 | 11.5 | Patch available | CNA |
| Apple | iTunes for Windows | before 12.10 | 12.10 | Patch available | CNA |
- tvOS VendorApple Affected before 14.0 Fixed in 14.0 Patch available CNA
- watchOS VendorApple Affected before 7.0 Fixed in 7.0 Patch available CNA
- Safari VendorApple Affected before 14.0 Fixed in 14.0 Patch available CNA
- iOS and iPadOS VendorApple Affected before 14.0 Fixed in 14.0 Patch available CNA
- iCloud for Windows VendorApple Affected before 11.5 Fixed in 11.5 Patch available CNA
- iTunes for Windows VendorApple Affected before 12.10 Fixed in 12.10 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* | before 11.5.0 | Vulnerable | Apple |
| cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* | 12.0.0 to before 12.10.9 | Vulnerable | Apple |
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | before 14.0 | Vulnerable | Apple |
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 14.0 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 14.0 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 14.0 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 7.0 | Vulnerable | Apple |
- cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 11.5.0 Vulnerable ·Apple
- cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions 12.0.0 to before 12.10.9 Vulnerable ·Apple
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 7.0 Vulnerable ·Apple
Remediation
- Fix · CNA tvOS (Apple) Fixed in 14.0
- Fix · CNA watchOS (Apple) Fixed in 7.0
- Fix · CNA Safari (Apple) Fixed in 14.0
- Fix · CNA iOS and iPadOS (Apple) Fixed in 14.0
- Fix · CNA iCloud for Windows (Apple) Fixed in 11.5
- Fix · CNA iTunes for Windows (Apple) Fixed in 12.10
Red Hat 1 advisory
- RHSA-2025:10364 Released 2025-07-07 · Red Hat rating Importantwebkitgtk4 security update
- Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.48.3-2.el7_9, webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-jsc-2.48.3-2.el7_9 +1
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-doc-2.48.3-2.el7_9, webkitgtk4-jsc-devel-2.48.3-2.el7_9
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS and iPadOS 14.0
17 records Highest priority Priority MEDIUM 2 MEDIUM, 15 LOW
Other records, highest priority first
- TI-2020-08023 Use after free in Apple tvOSPriority MEDIUM 41
- TI-2020-08061 Apple tvOS: A remote attacker may be able to cause a denial of servicePriority LOW 38
- TI-2020-08081 Apple tvOS: An application may be able to execute arbitrary code with kernel privilegesPriority LOW 37
- Release ·
Apple watchOS 7.0
13 records Highest priority Priority MEDIUM 2 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2020-08023 Use after free in Apple tvOSPriority MEDIUM 41
- TI-2020-08061 Apple tvOS: A remote attacker may be able to cause a denial of servicePriority LOW 38
- TI-2020-08051 Use after free in Apple tvOSPriority LOW 37
Show 2 more groups
- Release ·
Apple tvOS 14.0
12 records Highest priority Priority MEDIUM 2 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2020-08023 Use after free in Apple tvOSPriority MEDIUM 41
- TI-2020-08061 Apple tvOS: A remote attacker may be able to cause a denial of servicePriority LOW 38
- TI-2020-08081 Apple tvOS: An application may be able to execute arbitrary code with kernel privilegesPriority LOW 37
- Release ·
Apple Safari 14.0
4 records Highest priority Priority MEDIUM 2 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2020-08023 Use after free in Apple tvOSPriority MEDIUM 41
- TI-2020-08063 Clickjacking in Apple watchOSPriority LOW 22
- TI-2020-08057 Clickjacking in Apple SafariPriority LOW 22
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2025:10364 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2025:10364 |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9947
- 2026-10-03 Alias added: GHSA-xvmv-wg5c-7x3w
References
Advisory 8
- https://support.apple.com/en-us/HT211843
- https://support.apple.com/en-us/HT211850
- https://support.apple.com/en-us/HT211844
- https://support.apple.com/en-us/HT211935
- https://support.apple.com/en-us/HT211952
- https://support.apple.com/en-us/HT211845
- [oss-security] 20210322 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0002
- GLSA-202104-03
More Apple Icloud vulnerabilities
- TI-2019-06084 Type confusion in Apple iOS KEVCVSS 3.1HIGH 8.8
- TI-2020-16987 Type confusion in Apple watchOS KEVCVSS 3.1HIGH 7.8
- TI-2020-07926 Apple iOS: A remote attacker may be able to cause arbitrary code execution CVSS 3.1CRITICAL 9.8
- TI-2018-03187 Memory corruption in Apple WebKit CVSS 3.1HIGH 8.8
- TI-2018-03118 Memory corruption in Apple WebKit CVSS 3.0HIGH 8.8
- TI-2018-03361 Memory corruption in iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows CVSS 3.0HIGH 8.8
Sources
- CVE-2020-9947 · CVE Program
- CVE-2020-9947 · NVD
- FIRST EPSS
- GHSA-xvmv-wg5c-7x3w · GitHub Advisory Database · CC BY 4.0
- CVE-2020-9947 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences