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vuln-cve/data/2026/53xxx/CVE-2026-53763.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-53763",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-10T17:48:40.547Z",
"datePublished": "2026-07-06T19:35:39.800Z",
"dateUpdated": "2026-07-07T14:10:54.311Z"
},
"containers": {
"cna": {
"title": "OP-TEE has AES-GCM 32-bit integer overflow in length counters that breaks authentication guarantee",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-190",
"lang": "en",
"description": "CWE-190: Integer Overflow or Wraparound",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 3.8,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N",
"version": "3.0"
}
}
],
"references": [
{
"name": "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-fcm8-vjhf-6vqh",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-fcm8-vjhf-6vqh"
}
],
"affected": [
{
"vendor": "OP-TEE",
"product": "optee_os",
"versions": [
{
"version": ">= 3.0.0, < 4.11.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-07-06T19:35:39.800Z"
},
"descriptions": [
{
"lang": "en",
"value": "OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.0.0 and prior to version 4.11.0, 32-bit integer overflows in OP-TEE core's AES-GCM implementation cause the authentication tag to be computed with incorrect bit-length values after processing more than 512 megabytes of payload or Additional Authenticated Data (AAD). Version 4.11.0 contains a patch. No known workarounds are available."
}
],
"source": {
"advisory": "GHSA-fcm8-vjhf-6vqh",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-07T14:10:42.847861Z",
"id": "CVE-2026-53763",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-07-07T14:10:54.311Z"
}
}
]
}
}