CVE-2015-1803
Estado: ModificadaAlta (8.5)—
The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a crafted BDF font file.
CVSS
- Versión: 2.0
- Vector: AV:N/AC:M/Au:S/C:C/I:C/A:C
- Puntuación base: 8.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 4.90%
- Percentil entre todas las CVEs puntuadas: 92
- Fecha de la puntuación: 2/10/2026
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
- NVD-CWE-Other
Referencias
- http://advisories.mageia.org/MGASA-2015-0113.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152497.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152838.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00005.html
- http://rhn.redhat.com/errata/RHSA-2015-1708.html
- http://www.debian.org/security/2015/dsa-3194
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:145
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.securityfocus.com/bid/73280
- http://www.securitytracker.com/id/1031935
- http://www.ubuntu.com/usn/USN-2536-1
- http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/
- https://security.gentoo.org/glsa/201507-21
- http://advisories.mageia.org/MGASA-2015-0113.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152497.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152838.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00005.html
- http://rhn.redhat.com/errata/RHSA-2015-1708.html
- http://www.debian.org/security/2015/dsa-3194
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:145
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.securityfocus.com/bid/73280
- http://www.securitytracker.com/id/1031935
- http://www.ubuntu.com/usn/USN-2536-1
- http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/
- https://security.gentoo.org/glsa/201507-21
JSON original (NVD)
Mostrar
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"integrityImpact": "COMPLETE",
"accessComplexity": "MEDIUM",
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"description": [
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"descriptions": [
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"lang": "en",
"value": "The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a crafted BDF font file."
},
{
"lang": "es",
"value": "La función bdfReadCharacters en bitmap/bdfread.c en X.Org libXfont anterior a 1.4.9 y 1.5.x anterior a 1.5.1 no maneja adecuadamente caracteres bitmaps que no se pueden leer, lo que permite a usuarios remotos autenticados causar una denegación de servicio (referencia a puntero NULO y caída) y la posibilidad de ejecutar código arbitrario a través de un archivo de fuente BDF."
}
],
"lastModified": "2026-06-17T00:23:02.003",
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"evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/476.html\">CWE-476: NULL Pointer Dereference</a>",
"sourceIdentifier": "secalert@redhat.com"
}