A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, iCloud for Windows 7.20, watchOS 6.2.8, tvOS 13.4.8, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. Processing a maliciously crafted image may lead to arbitrary code execution.
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionActive
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | nvd | AV: P→L, AC: H→L, PR: H→N, VC: N→H, VI: N→H, VA: N→H | 0.0 → 4.0 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.0 |
Affected Software
| Vendor | Product | Version |
|---|
| apple | icloud | < 7.20 |
| Apple | iOS and iPadOS | < 13.6 |
| apple | ipados | < 13.6 |
| apple | iphone_os | < 13.6 |
| apple | mac_os_x | ≥ 10.15, ≤ 10.15.6 |
| apple | mac_os_x | 10.15.6 |
| Apple | macOS | < 13.4 |
| Apple | macOS | < 10.15 |
| Apple | macOS | < 6.2 |
| Apple | macOS | < 7.20 |
| apple | tvos | < 13.4.8 |
| apple | watchos | < 6.2.8 |
Published: 2021-04-02
