Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
CVE Vulnerability Details :
CVE-2025-43400
PUBLISHED
More InfoOfficial Page
Assigner-apple
Assigner Org ID-286789f9-fbc2-4510-9f9a-43facdede74c
View Known Exploited Vulnerability (KEV) details
Published At-29 Sep, 2025 | 18:03
Updated At-02 Apr, 2026 | 18:22
Rejected At-
▼CVE Numbering Authority (CNA)

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.1 and iPadOS 18.7.1, iOS 26.0.1 and iPadOS 26.0.1, macOS Sequoia 15.7.1, macOS Sonoma 14.8.1, macOS Tahoe 26.0.1, tvOS 26.1, visionOS 26.0.1, watchOS 26.1. Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory.

Affected Products
Vendor
Apple Inc.Apple
Product
iOS and iPadOS
Versions
Affected
  • From 0 before 18.7.1 (custom)
  • From 0 before 26.0.1 (custom)
Vendor
Apple Inc.Apple
Product
macOS
Versions
Affected
  • From 0 before 14.8.1 (custom)
  • From 0 before 15.7.1 (custom)
  • From 0 before 26.0.1 (custom)
Vendor
Apple Inc.Apple
Product
tvOS
Versions
Affected
  • From 0 before 26.1 (custom)
Vendor
Apple Inc.Apple
Product
visionOS
Versions
Affected
  • From 0 before 26.0.1 (custom)
Vendor
Apple Inc.Apple
Product
watchOS
Versions
Affected
  • From 0 before 26.1 (custom)
Problem Types
TypeCWE IDDescription
N/AN/AProcessing a maliciously crafted font may lead to unexpected app termination or corrupt process memory
Type: N/A
CWE ID: N/A
Description: Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://support.apple.com/en-us/125326
N/A
https://support.apple.com/en-us/125327
N/A
https://support.apple.com/en-us/125328
N/A
https://support.apple.com/en-us/125329
N/A
https://support.apple.com/en-us/125330
N/A
https://support.apple.com/en-us/125338
N/A
https://support.apple.com/en-us/125637
N/A
https://support.apple.com/en-us/125639
N/A
Hyperlink: https://support.apple.com/en-us/125326
Resource: N/A
Hyperlink: https://support.apple.com/en-us/125327
Resource: N/A
Hyperlink: https://support.apple.com/en-us/125328
Resource: N/A
Hyperlink: https://support.apple.com/en-us/125329
Resource: N/A
Hyperlink: https://support.apple.com/en-us/125330
Resource: N/A
Hyperlink: https://support.apple.com/en-us/125338
Resource: N/A
Hyperlink: https://support.apple.com/en-us/125637
Resource: N/A
Hyperlink: https://support.apple.com/en-us/125639
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-787CWE-787 Out-of-bounds Write
Type: CWE
CWE ID: CWE-787
Description: CWE-787 Out-of-bounds Write
Metrics
VersionBase scoreBase severityVector
3.16.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Version: 3.1
Base score: 6.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://seclists.org/fulldisclosure/2025/Sep/78
N/A
http://seclists.org/fulldisclosure/2025/Sep/73
N/A
http://seclists.org/fulldisclosure/2025/Sep/76
N/A
Hyperlink: http://seclists.org/fulldisclosure/2025/Sep/78
Resource: N/A
Hyperlink: http://seclists.org/fulldisclosure/2025/Sep/73
Resource: N/A
Hyperlink: http://seclists.org/fulldisclosure/2025/Sep/76
Resource: N/A
Details not found