CVE-2012-4507
Estado: ModificadaMedia (5)—
La función strchr en procmime.c en Claws Mail (alias claws-mail) v3.8.1 permite a atacantes remotos provocar una denegación de servicio (desreferencia de puntero NULL y caída) mediante un correo electrónico modificado.
CVSS
- Versión: 2.0
- Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
- Puntuación base: 5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.77%
- Percentil entre todas las CVEs puntuadas: 86
- Fecha de la puntuación: 10/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- NVD-CWE-Other
Referencias
- http://lists.opensuse.org/opensuse-updates/2012-10/msg00064.html
- http://www.openwall.com/lists/oss-security/2012/10/09/1
- http://www.openwall.com/lists/oss-security/2012/10/09/3
- http://www.openwall.com/lists/oss-security/2012/10/10/3
- http://www.securityfocus.com/bid/55837
- http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2743
- https://bugzilla.redhat.com/show_bug.cgi?id=862578
- http://lists.opensuse.org/opensuse-updates/2012-10/msg00064.html
- http://www.openwall.com/lists/oss-security/2012/10/09/1
- http://www.openwall.com/lists/oss-security/2012/10/09/3
- http://www.openwall.com/lists/oss-security/2012/10/10/3
- http://www.securityfocus.com/bid/55837
- http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2743
- https://bugzilla.redhat.com/show_bug.cgi?id=862578
JSON original (NVD)
Mostrar
{
"id": "CVE-2012-4507",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"affected": [
{
"source": "secalert@redhat.com",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2012-10-22T23:55:07.710",
"references": [
{
"url": "http://lists.opensuse.org/opensuse-updates/2012-10/msg00064.html",
"source": "secalert@redhat.com"
},
{
"url": "http://www.openwall.com/lists/oss-security/2012/10/09/1",
"tags": [
"Patch"
],
"source": "secalert@redhat.com"
},
{
"url": "http://www.openwall.com/lists/oss-security/2012/10/09/3",
"source": "secalert@redhat.com"
},
{
"url": "http://www.openwall.com/lists/oss-security/2012/10/10/3",
"source": "secalert@redhat.com"
},
{
"url": "http://www.securityfocus.com/bid/55837",
"source": "secalert@redhat.com"
},
{
"url": "http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2743",
"tags": [
"Patch"
],
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=862578",
"source": "secalert@redhat.com"
},
{
"url": "http://lists.opensuse.org/opensuse-updates/2012-10/msg00064.html",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2012/10/09/1",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2012/10/09/3",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2012/10/10/3",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securityfocus.com/bid/55837",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2743",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=862578",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The strchr function in procmime.c in Claws Mail (aka claws-mail) 3.8.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted email."
},
{
"lang": "es",
"value": "La función strchr en procmime.c en Claws Mail (alias claws-mail) v3.8.1 permite a atacantes remotos provocar una denegación de servicio (desreferencia de puntero NULL y caída) mediante un correo electrónico modificado."
}
],
"lastModified": "2026-06-16T23:45:13.743",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:claws-mail:claws-mail:3.8.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "17482717-3F9F-4A41-977B-1FB7DD740712"
}
],
"operator": "OR"
}
]
}
],
"evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\r\n\"CWE-476: NULL Pointer Dereference\"",
"sourceIdentifier": "secalert@redhat.com"
}