CVE-2025-43400
Full vulnerability record from the local CVENow database.
Description
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
MEDIUM
CVSS score
6.3
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2025-09-29 18:15:31.620000
Last modified
2026-10-18 21:10:00.120000
View original CVE JSON
{
"id": "CVE-2025-43400",
"sourceIdentifier": "[email protected]",
"published": "2025-09-29T18:15:31.620",
"lastModified": "2026-10-18T21:10:00.120",
"vulnStatus": "Modified",
"cveTags": [],
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"value": "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."
},
{
"lang": "es",
"value": "Se abordó un problema de escritura fuera de límites con una comprobación de límites mejorada. Este problema se corrigió en watchOS 26.1, tvOS 26.1. El procesamiento de una fuente diseñada maliciosamente puede provocar la terminación inesperada de la aplicación o la corrupción de la memoria del proceso."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
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"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "LOW"
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"id": "CVE-2025-43400",
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{
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{
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{
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{
"url": "http://seclists.org/fulldisclosure/2025/Sep/73",
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{
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}