CVE-2006-4435
Estado: ModificadaMedia (4.9)—
OpenBSD 3.8, 3.9, and possibly earlier versions allows context-dependent attackers to cause a denial of service (kernel panic) by allocating more semaphores than the default.
CVSS
- Versión: 2.0
- Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
- Puntuación base: 4.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.34%
- Percentil entre todas las CVEs puntuadas: 25
- Fecha de la puntuación: 7/10/2026
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://secunia.com/advisories/21642
- http://securitytracker.com/id?1016756
- http://www.openbsd.org/errata.html#sem
- http://www.openbsd.org/errata38.html#sem
- http://www.osvdb.org/28195
- http://www.securityfocus.com/bid/19713
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28617
- http://secunia.com/advisories/21642
- http://securitytracker.com/id?1016756
- http://www.openbsd.org/errata.html#sem
- http://www.openbsd.org/errata38.html#sem
- http://www.osvdb.org/28195
- http://www.securityfocus.com/bid/19713
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28617
JSON original (NVD)
Mostrar
{
"id": "CVE-2006-4435",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.9,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 6.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2006-08-29T00:04:00.000",
"references": [
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"url": "http://secunia.com/advisories/21642",
"tags": [
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{
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{
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{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
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"tags": [
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/28617",
"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": "OpenBSD 3.8, 3.9, and possibly earlier versions allows context-dependent attackers to cause a denial of service (kernel panic) by allocating more semaphores than the default."
},
{
"lang": "es",
"value": "OpenBSD 3.8, 3.9,y posiblemente versiones anteriores permiten a un atacante dependiente del contexto provocar denegación de servicio (kernel panic) destinando mas semaforos que los que hay por defecto."
}
],
"lastModified": "2026-06-16T22:29:05.727",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:openbsd:openbsd:3.8:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "783973F9-2A6E-4DDF-A64C-7794FFD0B7B9"
},
{
"criteria": "cpe:2.3:o:openbsd:openbsd:3.9:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F5BB6C5D-4C43-4BB8-B1CE-A70BBE650CA1"
}
],
"operator": "OR"
}
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}
],
"sourceIdentifier": "cve@mitre.org"
}