An out-of-bounds read was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted image may lead to a denial of service.
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionActive
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityNone
IntegrityNone
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, VA: N→H | 0.0 → 1.7 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.0 |
Affected Software
| Vendor | Product | Version |
|---|
| Apple | iOS and iPadOS | < 14.3 |
| apple | ipados | < 14.3 |
| apple | iphone_os | < 14.3 |
| apple | mac_os_x | ≥ 10.15, < 10.15.7 |
| apple | mac_os_x | ≥ 10.14, < 10.14.6 |
| apple | mac_os_x | 10.14.6 |
| apple | mac_os_x | 10.15.7 |
| Apple | macOS | < 11.1 |
| apple | macos | ≥ 11.0, < 11.1.0 |
| apple | tvos | < 14.3 |
| Apple | tvOS | < 14.3 |
| apple | watchos | < 7.2 |
| Apple | watchOS | < 7.2 |
Published: 2021-04-02
