CVE-2026-44602
Full vulnerability record from the local CVENow database.
Description
Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-05-07 04:16:35.223000
Last modified
2026-10-26 19:10:00.163000
View original CVE JSON
{
"id": "CVE-2026-44602",
"sourceIdentifier": "[email protected]",
"published": "2026-05-07T04:16:35.223",
"lastModified": "2026-10-26T19:10:00.163",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006."
},
{
"lang": "es",
"value": "Tor anterior a 0.4.9.7 tiene una desreferencia de puntero NULL cuando se recibe una celda CERT fuera de orden, también conocido como TROVE-2026-006."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "torproject",
"product": "Tor",
"defaultStatus": "unaffected",
"versions": [
{
"version": "0",
"lessThan": "0.4.9.7",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"baseScore": 3.7,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.2,
"impactScore": 1.4
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-07T14:54:09.669248Z",
"id": "CVE-2026-44602",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
"versionEndExcluding": "0.4.9.7",
"matchCriteriaId": "E643A817-85FE-4CEC-BC69-0E2FA22639C0"
}
]
}
]
}
],
"references": [
{
"url": "https://forum.torproject.org/c/news/tor-release-announcement/28",
"source": "[email protected]",
"tags": [
"Release Notes"
]
},
{
"url": "https://gitlab.torproject.org/tpo/core/tor/-/commit/df7d5174ef41814d806c8ede776e230cd30ac12b",
"source": "[email protected]",
"tags": [
"Patch"
]
},
{
"url": "https://gitlab.torproject.org/tpo/core/tor/-/work_items/41240",
"source": "[email protected]",
"tags": [
"Not Applicable"
]
},
{
"url": "https://www.openwall.com/lists/oss-security/2026/05/06/8",
"source": "[email protected]",
"tags": [
"Mailing List",
"Release Notes"
]
}
]
}