An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Parsing a maliciously crafted file may lead to an unexpected app termination.
PUBLISHED5.2
Problem type
- Parsing a maliciously crafted file may lead to an unexpected app termination
Affected products
Apple
macOS
< 14.8.8 - AFFECTED
< 15.7.8 - AFFECTED
< 26.6 - AFFECTED
References
support.apple.com
https://support.apple.com/en-us/128067
support.apple.com
https://support.apple.com/en-us/128071
support.apple.com
https://support.apple.com/en-us/128072
GitHub Security Advisories
GHSA-xj44-pxrh-gchm
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS...
https://github.com/advisories/GHSA-xj44-pxrh-gchmAn out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Parsing a maliciously crafted file may lead to an unexpected app termination.
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-43747Click to expand
{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43747",
"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"assignerShortName": "apple",
"dateUpdated": "2026-07-28T13:40:38.554Z",
"dateReserved": "2026-05-01T22:46:21.647Z",
"datePublished": "2026-07-27T20:14:06.746Z",
"state": "PUBLISHED"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"shortName": "apple",
"dateUpdated": "2026-07-27T20:14:06.746Z"
},
"descriptions": [
{
"lang": "en",
"value": "An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Parsing a maliciously crafted file may lead to an unexpected app termination."
}
],
"affected": [
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"version": "0",
"status": "affected",
"versionType": "custom",
"lessThan": "14.8.8"
},
{
"version": "0",
"status": "affected",
"versionType": "custom",
"lessThan": "15.7.8"
},
{
"version": "0",
"status": "affected",
"versionType": "custom",
"lessThan": "26.6"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "Parsing a maliciously crafted file may lead to an unexpected app termination"
}
]
}
],
"references": [
{
"url": "https://support.apple.com/en-us/128067"
},
{
"url": "https://support.apple.com/en-us/128071"
},
{
"url": "https://support.apple.com/en-us/128072"
}
]
},
"adp": [
{
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-07-28T13:40:38.554Z"
},
"title": "CISA ADP Vulnrichment",
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "CWE-125 Out-of-bounds Read",
"cweId": "CWE-125",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH"
}
},
{}
]
}
]
}
}