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vuln-cve/data/2026/126xxx/CVE-2026-126050.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-126050",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-11-10T16:53:12.633Z",
"datePublished": "2026-11-10T16:58:04.990Z",
"dateUpdated": "2026-11-10T16:58:04.990Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck",
"dateUpdated": "2026-11-10T16:58:04.990Z"
},
"datePublic": "2026-11-10T00:00:00.000Z",
"title": "apitrace 2.0 through 14.0 Heap Buffer Overflow via SnappyFile::flushReadCache()",
"descriptions": [
{
"lang": "en",
"value": "apitrace 2.0 through 14.0 contains a heap-based buffer overflow in SnappyFile::flushReadCache() that allows attackers to write past m_compressedCache via an oversized compressed chunk length. Attackers can supply a crafted .trace file whose 4-byte chunk length exceeds the fixed buffer size, corrupting heap memory when users dump, inspect, or replay it."
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "Heap-based Buffer Overflow",
"cweId": "CWE-122",
"type": "CWE"
}
]
}
],
"affected": [
{
"vendor": "apitrace",
"product": "apitrace",
"defaultStatus": "unaffected",
"versions": [
{
"version": "2.0",
"status": "affected",
"versionType": "custom",
"lessThanOrEqual": "14.0"
}
],
"packageURL": "pkg:github/apitrace/apitrace",
"repo": "https://github.com/apitrace/apitrace"
}
],
"metrics": [
{
"format": "CVSS",
"cvssV4_0": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "PASSIVE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 8.5,
"baseSeverity": "HIGH"
}
},
{
"format": "CVSS",
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH"
}
}
],
"references": [
{
"url": "https://github.com/apitrace/apitrace/commit/3890c5a448addfd75ccbe1bd09e3075de6fb3395",
"tags": [
"patch"
]
},
{
"url": "https://github.com/apitrace/apitrace/blob/18cfd388ac47a9e00978b34d6c20341f3e2cdb56/lib/trace/trace_file_snappy.cpp#L215-L235",
"tags": [
"technical-description"
]
},
{
"name": "VulnCheck Advisory: apitrace 2.0 through 14.0 Heap Buffer Overflow via SnappyFile::flushReadCache()",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/apitrace-2.0-through-14.0-heap-buffer-overflow-via-snappyfile-flushreadcache"
}
],
"credits": [
{
"lang": "en",
"value": "Deus Rex",
"type": "finder"
}
],
"x_generator": {
"engine": "vulncheck-endgame"
}
}
}
}