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vuln-cve/data/2026/12xxx/CVE-2026-12996.json
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{
"dataType": "CVE_RECORD",
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"cveMetadata": {
"cveId": "CVE-2026-12996",
"assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
"state": "PUBLISHED",
"assignerShortName": "OpenVPN",
"dateReserved": "2026-06-23T13:16:10.234Z",
"datePublished": "2026-07-30T16:38:58.925Z",
"dateUpdated": "2026-07-30T18:07:17.597Z"
},
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"providerMetadata": {
"orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
"shortName": "OpenVPN",
"dateUpdated": "2026-07-30T16:38:58.925Z"
},
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-416",
"description": "CWE-416 Use after free",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-125",
"description": "CWE-125 Out-of-bounds read",
"type": "CWE"
}
]
}
],
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{
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"product": "OpenVPN",
"versions": [
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"version": "2.6.0",
"lessThanOrEqual": "2.6.20",
"versionType": "semver"
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"value": "A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry"
}
],
"references": [
{
"url": "https://community.openvpn.net/Security%20Announcements/CVE-2026-12996",
"tags": [
"vendor-advisory"
]
},
{
"url": "https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026",
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"release-notes"
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"url": "https://community.openvpn.net/ReleaseHistory#openvpn-2621-released-1-july-2026",
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"format": "CVSS",
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"lang": "en",
"value": "GENERAL"
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"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"subIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"version": "4.0",
"baseSeverity": "MEDIUM",
"baseScore": 6,
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"
}
}
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},
"adp": [
{
"title": "CVE Program Container",
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2026/07/msg00013.html"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2026-07-30T17:33:47.338Z"
}
},
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-30T18:06:51.038749Z",
"id": "CVE-2026-12996",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
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}
],
"title": "CISA ADP Vulnrichment",
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"shortName": "CISA-ADP",
"dateUpdated": "2026-07-30T18:07:17.597Z"
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]
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}