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vuln-cve/data/2026/35xxx/CVE-2026-35547.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-35547",
"assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
"state": "PUBLISHED",
"assignerShortName": "freebsd",
"dateReserved": "2026-04-28T15:08:10.642Z",
"datePublished": "2026-04-30T08:08:13.461Z",
"dateUpdated": "2026-05-01T15:26:28.941Z"
},
"containers": {
"cna": {
"datePublic": "2026-04-29T19:00:00.000Z",
"title": "Heap overflow in libnv",
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:17.libnv.asc"
}
],
"affected": [
{
"defaultStatus": "unknown",
"modules": [
"libnv"
],
"product": "FreeBSD",
"vendor": "FreeBSD",
"versions": [
{
"status": "affected",
"versionType": "release",
"version": "15.0-RELEASE",
"lessThan": "p7"
},
{
"status": "affected",
"versionType": "release",
"version": "14.4-RELEASE",
"lessThan": "p3"
},
{
"status": "affected",
"versionType": "release",
"version": "14.3-RELEASE",
"lessThan": "p12"
},
{
"status": "affected",
"versionType": "release",
"version": "13.5-RELEASE",
"lessThan": "p13"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Mariusz Zaborski"
}
],
"descriptions": [
{
"lang": "en",
"value": "When processing the header of an incoming message, libnv failed to properly validate the message size.\n\nThe lack of validation allows a malicious program to write outside the bounds of a heap allocation. This can trigger a crash or system panic, and it may be possible for an unprivileged user to exploit the bug to elevate their privileges."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en",
"type": "CWE"
},
{
"cweId": "CWE-130",
"description": "CWE-130: Improper Handling of Length Parameter Inconsistency",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
"shortName": "freebsd",
"dateUpdated": "2026-04-30T08:08:13.461Z"
},
"x_generator": {
"engine": "cvelib 1.8.0"
}
},
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.1,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-01T03:55:50.905074Z",
"id": "CVE-2026-35547",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-05-01T15:26:28.941Z"
}
}
]
}
}