Files
vuln-cve/data/2026/91xxx/CVE-2026-91752.json
T

204 lines
8.0 KiB
JSON

{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-91752",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-09-14T23:08:43.492Z",
"datePublished": "2026-09-15T00:35:43.518Z",
"dateUpdated": "2026-09-24T14:22:22.119Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck",
"dateUpdated": "2026-09-24T14:22:22.119Z"
},
"datePublic": "2026-07-05T00:00:00.000Z",
"title": "GNU libextractor before 1.15 Stack Overflow via OLE2",
"descriptions": [
{
"lang": "en",
"value": "GNU libextractor before 1.15 contains a stack-based buffer overflow vulnerability in the process_star_office function that sizes a variable-length stack array from attacker-controlled OLE2 stream data. Attackers can craft malicious StarOffice documents that allocate up to 4 MB on the stack, causing stack overflow and crashing any application extracting metadata from the document."
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "Memory Allocation with Excessive Size Value",
"cweId": "CWE-789",
"type": "CWE"
}
]
}
],
"affected": [
{
"vendor": "GNU",
"product": "libextractor",
"defaultStatus": "unaffected",
"versions": [
{
"version": "0",
"lessThan": "1.15",
"status": "affected",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:gnu:libextractor:*:*:*:*:*:*:*:*",
"versionEndExcluding": "1.15"
}
]
}
]
}
],
"metrics": [
{
"format": "CVSS",
"cvssV4_0": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 8.7,
"baseSeverity": "HIGH"
}
},
{
"format": "CVSS",
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH"
}
}
],
"references": [
{
"url": "https://github.com/Haitam-lazaar/libextractor-ole2-rce",
"tags": [
"exploit",
"third-party-advisory"
]
},
{
"url": "https://git.gnunet.org/gnunet/libextractor/commit/04004eb19033e093938138b09befdf31e71e8522.html",
"tags": [
"patch"
]
},
{
"url": "https://git.gnunet.org/gnunet/libextractor/commit/2781c7e9095f4ddaff4f535d69342f3903b18422.html",
"tags": [
"patch"
]
},
{
"url": "https://www.gnu.org/software/libextractor/",
"tags": [
"product"
]
},
{
"name": "VulnCheck Advisory: GNU libextractor before 1.15 Stack Overflow via OLE2",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/gnu-libextractor-before-1.15-stack-overflow-via-ole2"
}
],
"credits": [
{
"lang": "en",
"value": "Haitam Lazaar",
"type": "finder"
}
],
"x_generator": {
"engine": "vulncheck-endgame"
}
},
"adp": [
{
"title": "CVE Program Container",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2026/09/16/16"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2026-09-17T00:17:44.453Z"
}
},
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-09-17T18:37:51.070693Z",
"id": "CVE-2026-91752",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"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": "2026-09-17T19:29:34.522Z"
}
}
]
}
}