CVE-2026-62641
Full vulnerability record from the local CVENow database.
Description
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.
Severity
MEDIUM
CVSS score
6.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-14 16:17:04.377000
Last modified
2026-10-24 21:10:00.130000
View original CVE JSON
{
"id": "CVE-2026-62641",
"sourceIdentifier": "[email protected]",
"published": "2026-07-14T16:17:04.377",
"lastModified": "2026-10-24T21:10:00.130",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size."
},
{
"lang": "es",
"value": "En Roundcube Webmail antes de 1.6.17 y 1.7.x antes de 1.7.2, el decodificador TNEF estaba sujeto a denegación de servicio mediante un tamaño de RTF comprimido manipulado."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Roundcube",
"product": "Webmail",
"defaultStatus": "unaffected",
"versions": [
{
"version": "1.6.0",
"lessThan": "1.6.17",
"versionType": "semver",
"status": "affected"
},
{
"version": "1.7.0",
"lessThan": "1.7.2",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-14T17:23:21.954751Z",
"id": "CVE-2026-62641",
"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-770"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.6.0",
"versionEndExcluding": "1.6.17",
"matchCriteriaId": "BE3CB576-6905-4ED7-AAD5-C0523B5E6FFD"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.7.0",
"versionEndExcluding": "1.7.2",
"matchCriteriaId": "58061F28-9D4F-4D65-8C64-F77410B6E144"
}
]
}
]
}
],
"references": [
{
"url": "https://github.com/roundcube/roundcubemail/commit/6d1004fd3764a9606c53130b322c0f295c38be64",
"source": "[email protected]",
"tags": [
"Patch"
]
},
{
"url": "https://github.com/roundcube/roundcubemail/commit/bf253c72d4293c93fda511b8464fe9cb34b522c1",
"source": "[email protected]",
"tags": [
"Patch"
]
},
{
"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.17",
"source": "[email protected]",
"tags": [
"Release Notes"
]
},
{
"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.2",
"source": "[email protected]",
"tags": [
"Release Notes"
]
},
{
"url": "https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}