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2023-05-16 16:09:41 +02:00

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{
"id": "CVE-2015-6818",
"sourceIdentifier": "cve@mitre.org",
"published": "2015-09-06T02:59:00.080",
"lastModified": "2018-12-21T11:29:00.983",
"vulnStatus": "Modified",
"descriptions": [
{
"lang": "en",
"value": "The decode_ihdr_chunk function in libavcodec/pngdec.c in FFmpeg before 2.7.2 does not enforce uniqueness of the IHDR (aka image header) chunk in a PNG image, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via a crafted image with two or more of these chunks."
},
{
"lang": "es",
"value": "Vulnerabilidad en la funci\u00f3n decode_ihdr_chunk en libavcodec/pngdec.c en FFmpeg en versiones anteriores a 2.7.2, no impone la singularidad del fragmento IHDR (tambi\u00e9n conocida como cabecera de imagen) en una imagen PNG, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (acceso a array fuera de rango) o posiblemente tener otro impacto no especificado a trav\u00e9s de una imagen manipulada con dos o m\u00e1s de estos fragmentos."
}
],
"metrics": {
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5
},
"baseSeverity": "HIGH",
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-17"
}
]
}
],
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"references": [
{
"url": "http://ffmpeg.org/security.html",
"source": "cve@mitre.org"
},
{
"url": "http://git.videolan.org/?p=ffmpeg.git;a=commit;h=47f4e2d8960ca756ca153ab8e3e93d80449b8c91",
"source": "cve@mitre.org"
},
{
"url": "http://www.securitytracker.com/id/1033483",
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},
{
"url": "http://www.ubuntu.com/usn/USN-2944-1",
"source": "cve@mitre.org"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html",
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}