Files
vuln-cve/data/2026/116xxx/CVE-2026-116840.json
T

216 lines
8.5 KiB
JSON

{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-116840",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-10-27T00:10:22.076Z",
"datePublished": "2026-10-27T00:33:59.834Z",
"dateUpdated": "2026-10-27T14:14:10.931Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck",
"dateUpdated": "2026-10-27T00:33:59.834Z"
},
"datePublic": "2026-08-12T00:00:00.000Z",
"title": "llama.cpp b5854 before b11275 Integer Overflow in gguf_init_from_reader",
"descriptions": [
{
"lang": "en",
"value": "llama.cpp b5854 before b11275 contains an integer overflow vulnerability in gguf_init_from_reader that bypasses the CVE-2025-53630 size check when padding near-SIZE_MAX tensor sizes. Attackers can supply a crafted GGUF file whose tensor size pads to zero, causing an undersized data blob and out-of-bounds reads by consumers."
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "Integer Overflow or Wraparound",
"cweId": "CWE-190",
"type": "CWE"
}
]
}
],
"affected": [
{
"vendor": "ggml-org",
"product": "llama.cpp",
"defaultStatus": "unaffected",
"packageURL": "pkg:github/ggml-org/llama.cpp",
"versions": [
{
"version": "b5854",
"status": "affected",
"versionType": "custom",
"lessThan": "b11275"
},
{
"version": "0.1.0",
"status": "affected",
"versionType": "semver",
"lessThan": "0.6.0"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:ggml:llama.cpp:*:*:*:*:*:*:*:*",
"versionStartIncluding": "b5854",
"versionEndExcluding": "b11275"
}
]
}
]
}
],
"metrics": [
{
"format": "CVSS",
"cvssV4_0": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "PASSIVE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 6.9,
"baseSeverity": "MEDIUM"
}
},
{
"format": "CVSS",
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 6.1,
"baseSeverity": "MEDIUM"
}
}
],
"references": [
{
"url": "https://github.com/ggml-org/llama.cpp/issues/26978",
"tags": [
"issue-tracking"
]
},
{
"url": "https://github.com/ggml-org/llama.cpp/pull/26979",
"tags": [
"patch",
"issue-tracking"
]
},
{
"url": "https://github.com/ggml-org/llama.cpp/commit/a6ea155d3d38b3f6f43d0c0dc29c2d592413ef44",
"tags": [
"patch"
]
},
{
"url": "https://github.com/ggml-org/llama.cpp/blob/v0.5.0/ggml/src/gguf.cpp#L794-L795",
"tags": [
"technical-description"
]
},
{
"url": "https://github.com/ggml-org/llama.cpp/releases/tag/b11275",
"tags": [
"release-notes"
],
"name": "llama.cpp b11275 Release Notes"
},
{
"name": "VulnCheck Advisory: llama.cpp b5854 before b11275 Integer Overflow in gguf_init_from_reader",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/llama-cpp-b5854-before-b11275-integer-overflow-in-gguf-init-from-reader"
}
],
"credits": [
{
"lang": "en",
"value": "Xiang Chen (x14ngch3n)",
"type": "finder"
},
{
"lang": "en",
"value": "Jeongwoo Lee",
"type": "reporter"
},
{
"lang": "en",
"value": "x14ngch3n",
"type": "remediation developer"
}
],
"x_generator": {
"engine": "vulncheck-endgame"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-27T13:42:18.688377Z",
"id": "CVE-2026-116840",
"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": "2026-10-27T14:14:10.931Z"
}
}
]
}
}