Out-of-bounds read in Apple macOS
Priority LOW 37CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. Processing a maliciously crafted image may lead to arbitrary code execution.
Why it matters now
EPSS 0.01591 75th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 10.15
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 | macOS | before 10.15 | 10.15 | Patch available | CNA |
- macOS VendorApple Affected before 10.15 Fixed in 10.15 Patch available CNA
CPE configurations NVD · 32
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* | before 11.5 | Vulnerable | Apple |
| cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* | before 12.10.9 | 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:mac_os_x:*:*:*:*:*:*:*:* | 10.13 to before 10.13.6; 10.14 to before 10.14.6; 10.15 to before 10.15.7 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:-:*:*:*:*:*:* | 10.13.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002:*:*:*:*:*:* | 10.13.6 security_update_2018-002 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003:*:*:*:*:*:* | 10.13.6 security_update_2018-003 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001:*:*:*:*:*:* | 10.13.6 security_update_2019-001 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002:*:*:*:*:*:* | 10.13.6 security_update_2019-002 | Vulnerable | Apple |
- cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 11.5 Vulnerable ·Apple
- cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.10.9 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:mac_os_x:*:*:*:*:*:*:*:* Versions 10.13 to before 10.13.6; 10.14 to before 10.14.6; 10.15 to before 10.15.7 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:-:*:*:*:*:*:* Versions 10.13.6 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002:*:*:*:*:*:* Versions 10.13.6 security_update_2018-002 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003:*:*:*:*:*:* Versions 10.13.6 security_update_2018-003 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001:*:*:*:*:*:* Versions 10.13.6 security_update_2019-001 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002:*:*:*:*:*:* Versions 10.13.6 security_update_2019-002 Vulnerable ·Apple
Show 22 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-003:*:*:*:*:*:* | 10.13.6 security_update_2019-003 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-004:*:*:*:*:*:* | 10.13.6 security_update_2019-004 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-005:*:*:*:*:*:* | 10.13.6 security_update_2019-005 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-006:*:*:*:*:*:* | 10.13.6 security_update_2019-006 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-007:*:*:*:*:*:* | 10.13.6 security_update_2019-007 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-001:*:*:*:*:*:* | 10.13.6 security_update_2020-001 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-002:*:*:*:*:*:* | 10.13.6 security_update_2020-002 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-003:*:*:*:*:*:* | 10.13.6 security_update_2020-003 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-004:*:*:*:*:*:* | 10.13.6 security_update_2020-004 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* | 10.14.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:* | 10.14.6 security_update_2019-001 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:* | 10.14.6 security_update_2019-002 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:* | 10.14.6 security_update_2019-004 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:* | 10.14.6 security_update_2019-005 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* | 10.14.6 security_update_2019-006 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* | 10.14.6 security_update_2019-007 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* | 10.14.6 security_update_2020-001 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* | 10.14.6 security_update_2020-002 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:* | 10.14.6 security_update_2020-003 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:* | 10.14.6 security_update_2020-004 | 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:o:apple:mac_os_x:10.13.6:security_update_2019-003:*:*:*:*:*:* Versions 10.13.6 security_update_2019-003 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-004:*:*:*:*:*:* Versions 10.13.6 security_update_2019-004 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-005:*:*:*:*:*:* Versions 10.13.6 security_update_2019-005 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-006:*:*:*:*:*:* Versions 10.13.6 security_update_2019-006 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-007:*:*:*:*:*:* Versions 10.13.6 security_update_2019-007 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-001:*:*:*:*:*:* Versions 10.13.6 security_update_2020-001 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-002:*:*:*:*:*:* Versions 10.13.6 security_update_2020-002 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-003:*:*:*:*:*:* Versions 10.13.6 security_update_2020-003 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-004:*:*:*:*:*:* Versions 10.13.6 security_update_2020-004 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* Versions 10.14.6 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:* Versions 10.14.6 security_update_2019-001 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:* Versions 10.14.6 security_update_2019-002 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:* Versions 10.14.6 security_update_2019-004 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:* Versions 10.14.6 security_update_2019-005 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* Versions 10.14.6 security_update_2019-006 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* Versions 10.14.6 security_update_2019-007 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* Versions 10.14.6 security_update_2020-001 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* Versions 10.14.6 security_update_2020-002 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:* Versions 10.14.6 security_update_2020-003 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:* Versions 10.14.6 security_update_2020-004 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 macOS (Apple) Fixed in 10.15
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 10.15
59 records Highest priority Priority MEDIUM 9 MEDIUM, 50 LOW
Other records, highest priority first
- TI-2019-06309 Out-of-bounds read in Apple tvOSPriority MEDIUM 48
- TI-2020-07942 Buffer overflow in Apple macOSPriority MEDIUM 46
- TI-2019-06280 Out-of-bounds write in Apple macOSPriority MEDIUM 46
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9961
- 2026-10-03 Alias added: GHSA-95xf-8mj3-fjrv
References
Advisory 10
- https://support.apple.com/kb/HT211843
- https://support.apple.com/kb/HT211850
- https://support.apple.com/kb/HT211844
- https://support.apple.com/en-us/HT211849
- https://support.apple.com/kb/HT211952
- 20201115 APPLE-SA-2020-11-13-4 Additional information for APPLE-SA-2020-09-16-2 tvOS 14.0
- 20201115 APPLE-SA-2020-11-13-3 Additional information for APPLE-SA-2020-09-16-1 iOS 14.0 and iPadOS 14.0
- 20201115 APPLE-SA-2020-11-13-6 Additional information for APPLE-SA-2020-09-16-4 watchOS 7.0
- 20201115 APPLE-SA-2020-11-13-7 Additional information for APPLE-SA-2020-09-24-1 macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave
- https://support.apple.com/kb/HT211935
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-2020-9961 · CVE Program
- CVE-2020-9961 · NVD
- FIRST EPSS
- GHSA-95xf-8mj3-fjrv · GitHub Advisory Database · CC BY 4.0
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