CVE-2025-43400 (GCVE-0-2025-43400)
Vulnerability from cvelistv5 – Published: 2025-09-29 18:03 – Updated: 2026-04-02 18:22
VLAI
EPSS
VEX
Summary
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.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-29 18:49 UTC
CWE
- Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory
- CWE-787 - Out-of-bounds Write
Assigner
References
11 references
Impacted products
5 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Apple | iOS and iPadOS |
Affected:
0 , < 18.7.1
(custom)
Affected: 0 , < 26.0.1 (custom) |
guessed | |
| Apple | macOS |
Affected:
0 , < 14.8.1
(custom)
Affected: 0 , < 15.7.1 (custom) Affected: 0 , < 26.0.1 (custom) |
guessed | |
| Apple | tvOS |
Affected:
0 , < 26.1
(custom)
|
guessed | |
| Apple | visionOS |
Affected:
0 , < 26.0.1
(custom)
|
guessed | |
| Apple | watchOS |
Affected:
0 , < 26.1
(custom)
|
guessed |
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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