CVE-2011-1488
Estado: ModificadaMedia (5.5)—
A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are logged when $RepeatedMsgReduction was enabled. A local attacker could use this flaw to cause a denial of the rsyslogd daemon service by crashing the service via a sequence of repeated log messages sent within short periods of time.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.48%
- Percentil entre todas las CVEs puntuadas: 39
- Fecha de la puntuación: 5/10/2026
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 (3)
CWE
- CWE-772
Referencias
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.html
- https://access.redhat.com/security/cve/cve-2011-1488
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1488
- https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a
- https://security-tracker.debian.org/tracker/CVE-2011-1488
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.html
- https://access.redhat.com/security/cve/cve-2011-1488
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1488
- https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a
- https://security-tracker.debian.org/tracker/CVE-2011-1488
JSON original (NVD)
Mostrar
{
"id": "CVE-2011-1488",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 1.9,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.4,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "secalert@redhat.com",
"affectedData": [
{
"vendor": "rsyslog",
"product": "rsyslog",
"versions": [
{
"status": "affected",
"version": "before 5.7.6"
}
]
}
]
}
],
"published": "2019-11-14T02:15:10.717",
"references": [
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/security/cve/cve-2011-1488",
"tags": [
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1488",
"tags": [
"Exploit",
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a",
"source": "secalert@redhat.com"
},
{
"url": "https://security-tracker.debian.org/tracker/CVE-2011-1488",
"tags": [
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://access.redhat.com/security/cve/cve-2011-1488",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1488",
"tags": [
"Exploit",
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security-tracker.debian.org/tracker/CVE-2011-1488",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-772"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are logged when $RepeatedMsgReduction was enabled. A local attacker could use this flaw to cause a denial of the rsyslogd daemon service by crashing the service via a sequence of repeated log messages sent within short periods of time."
},
{
"lang": "es",
"value": "Se encontró una pérdida de memoria en rsyslog versiones anteriores a la versión 5.7.6, en la manera en que son registrados los mensajes de log procesados ??en el demonio cuando $RepeatedMsgReduction fue habilitada. Un atacante local podría usar este fallo para causar una denegación de servicio del demonio de rsyslogd al bloquear el servicio mediante una secuencia de mensajes de log repetidos enviados dentro de períodos cortos de tiempo."
}
],
"lastModified": "2026-06-16T23:29:28.830",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:rsyslog:rsyslog:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "22CBAD75-300B-4E25-B694-292C911A02E8",
"versionEndExcluding": "5.7.6"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DE554781-1EB9-446E-911F-6C11970C47F4"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secalert@redhat.com"
}