Out-of-bounds read in Apple iOS
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. An application may be able to read restricted memory.
Why it matters now
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 | iOS | before iOS 13.3.1 and iPadOS 13.3.1 | iOS 13.3.1 and iPadOS 13.3.1 | Patch available | CNA |
| Apple | macOS | before macOS Catalina 10.15.3 | macOS Catalina 10.15.3 | Patch available | CNA |
| Apple | tvOS | before tvOS 13.3.1 | tvOS 13.3.1 | Patch available | CNA |
| Apple | watchOS | before watchOS 6.1.2 | watchOS 6.1.2 | Patch available | CNA |
- iOS VendorApple Affected before iOS 13.3.1 and iPadOS 13.3.1 Fixed in iOS 13.3.1 and iPadOS 13.3.1 Patch available CNA
- macOS VendorApple Affected before macOS Catalina 10.15.3 Fixed in macOS Catalina 10.15.3 Patch available CNA
- tvOS VendorApple Affected before tvOS 13.3.1 Fixed in tvOS 13.3.1 Patch available CNA
- watchOS VendorApple Affected before watchOS 6.1.2 Fixed in watchOS 6.1.2 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 13.3.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 13.3.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.15.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 13.3.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 6.1.2 | Vulnerable | Apple |
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.3.1 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.3.1 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.3 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 13.3.1 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.1.2 Vulnerable ·Apple
Remediation
- Fix · CNA iOS (Apple) Fixed in iOS 13.3.1 and iPadOS 13.3.1
- Fix · CNA macOS (Apple) Fixed in macOS Catalina 10.15.3
- Fix · CNA tvOS (Apple) Fixed in tvOS 13.3.1
- Fix · CNA watchOS (Apple) Fixed in watchOS 6.1.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS iOS 13.3.1 and iPadOS 13.3.1
25 records Highest priority Priority CRITICAL 1 CRITICAL, 2 MEDIUM, 22 LOW
Other records, highest priority first
- TI-2020-03339 Out-of-bounds write in Apple iOSPriority CRITICAL 93
- TI-2020-03348 Memory corruption in Apple iOSPriority MEDIUM 42
- TI-2020-03328 Out-of-bounds write in Apple iOSPriority MEDIUM 41
- Release ·
Apple macOS macOS Catalina 10.15.3
23 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM, 21 LOW
Other records, highest priority first
- TI-2020-03339 Out-of-bounds write in Apple iOSPriority CRITICAL 93
- TI-2020-03348 Memory corruption in Apple iOSPriority MEDIUM 42
- TI-2020-03378 Out-of-bounds read in Apple macOSPriority LOW 37
Show 2 more groups
- Release ·
Apple watchOS watchOS 6.1.2
16 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM, 14 LOW
Other records, highest priority first
- TI-2020-03339 Out-of-bounds write in Apple iOSPriority CRITICAL 93
- TI-2020-03348 Memory corruption in Apple iOSPriority MEDIUM 42
- TI-2020-03378 Out-of-bounds read in Apple macOSPriority LOW 37
- Release ·
Apple tvOS tvOS 13.3.1
15 records Highest priority Priority CRITICAL 1 CRITICAL, 2 MEDIUM, 12 LOW
Other records, highest priority first
- TI-2020-03339 Out-of-bounds write in Apple iOSPriority CRITICAL 93
- TI-2020-03348 Memory corruption in Apple iOSPriority MEDIUM 42
- TI-2020-03328 Out-of-bounds write in Apple iOSPriority MEDIUM 41
Timeline
- 2026-10-02 Threatist record created from CVE-2020-3875
- 2026-10-03 Alias added: GHSA-ggq3-wm6p-j59q
References
More Apple Ipados vulnerabilities
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-3875 · CVE Program
- CVE-2020-3875 · NVD
- FIRST EPSS
- GHSA-ggq3-wm6p-j59q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences