140 lines
5.8 KiB
JSON
140 lines
5.8 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-40395",
|
|
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "mitre",
|
|
"dateReserved": "2026-04-12T19:21:08.847Z",
|
|
"datePublished": "2026-04-12T19:21:09.265Z",
|
|
"dateUpdated": "2026-04-13T15:45:30.791Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"affected": [
|
|
{
|
|
"defaultStatus": "unaffected",
|
|
"product": "Varnish Enterprise",
|
|
"vendor": "varnish-software",
|
|
"versions": [
|
|
{
|
|
"lessThan": "6.0.16r12",
|
|
"status": "affected",
|
|
"version": "6.0.9r5",
|
|
"versionType": "custom"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Varnish Enterprise before 6.0.16r12 allows a \"workspace overflow\" denial of service (daemon panic) for shared VCL. The headerplus.write_req0() function from vmod_headerplus updates the underlying req0, which is normally the original read-only request from which req is derived (readable and writable from VCL). This is useful in the active VCL, after amending req, to prepare a refined req0 before switching to a different VCL with the return (vcl(<label>)) action. This is for example how the Varnish Controller operates shared VCL deployments. If the amended req contained too many header fields for req0, this would have resulted in a workspace overflow that would in turn trigger a panic and crash the Varnish Enterprise server. This could be used as a Denial of Service attack vector by malicious clients."
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"attackComplexity": "HIGH",
|
|
"attackVector": "NETWORK",
|
|
"availabilityImpact": "LOW",
|
|
"baseScore": 4,
|
|
"baseSeverity": "MEDIUM",
|
|
"confidentialityImpact": "NONE",
|
|
"integrityImpact": "NONE",
|
|
"privilegesRequired": "NONE",
|
|
"scope": "CHANGED",
|
|
"userInteraction": "NONE",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L",
|
|
"version": "3.1"
|
|
},
|
|
"format": "CVSS",
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "GENERAL"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"cweId": "CWE-770",
|
|
"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
|
|
"lang": "en",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"providerMetadata": {
|
|
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
|
|
"shortName": "mitre",
|
|
"dateUpdated": "2026-04-12T19:33:44.790Z"
|
|
},
|
|
"references": [
|
|
{
|
|
"url": "https://docs.varnish-software.com/security/VEV00003/"
|
|
}
|
|
],
|
|
"x_generator": {
|
|
"engine": "CVE-Request-form 0.0.1"
|
|
},
|
|
"cpeApplicability": [
|
|
{
|
|
"nodes": [
|
|
{
|
|
"operator": "OR",
|
|
"negate": false,
|
|
"cpeMatch": [
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:a:varnish-software:varnish_enterprise:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "6.0.9r5",
|
|
"versionEndExcluding": "6.0.16r12"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
]
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-04-13T15:45:24.491498Z",
|
|
"id": "CVE-2026-40395",
|
|
"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": "2026-04-13T15:45:30.791Z"
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"dataVersion": "5.2"
|
|
} |