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{
"id" : "CVE-2020-36773" ,
"sourceIdentifier" : "cve@mitre.org" ,
"published" : "2024-02-04T18:16:00.713" ,
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"lastModified" : "2024-03-04T23:04:23.720" ,
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"vulnStatus" : "Analyzed" ,
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"descriptions" : [
{
"lang" : "en" ,
"value" : "Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite) because a single character code in a PDF document can map to more than one Unicode code point (e.g., for a ligature)."
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} ,
{
"lang" : "es" ,
"value" : "Artifex Ghostscript anterior a 9.53.0 tiene una escritura y un use-after-free fuera de los l\u00edmites en devices/vector/gdevtxtw.c (para txtwrite) porque un c\u00f3digo de un solo car\u00e1cter en un documento PDF se puede asignar a m\u00e1s de un punto de c\u00f3digo Unicode. (por ejemplo, para una ligadura)."
}
] ,
"metrics" : {
"cvssMetricV31" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"cvssData" : {
"version" : "3.1" ,
"vectorString" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" ,
"attackVector" : "NETWORK" ,
"attackComplexity" : "LOW" ,
"privilegesRequired" : "NONE" ,
"userInteraction" : "NONE" ,
"scope" : "UNCHANGED" ,
"confidentialityImpact" : "HIGH" ,
"integrityImpact" : "HIGH" ,
"availabilityImpact" : "HIGH" ,
"baseScore" : 9.8 ,
"baseSeverity" : "CRITICAL"
} ,
"exploitabilityScore" : 3.9 ,
"impactScore" : 5.9
}
]
} ,
"weaknesses" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"description" : [
{
"lang" : "en" ,
"value" : "CWE-416"
} ,
{
"lang" : "en" ,
"value" : "CWE-787"
}
]
}
] ,
"configurations" : [
{
"nodes" : [
{
"operator" : "OR" ,
"negate" : false ,
"cpeMatch" : [
{
"vulnerable" : true ,
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"criteria" : "cpe:2.3:a:artifex:ghostscript:9.51:*:*:*:*:*:*:*" ,
"matchCriteriaId" : "C18E63CE-B2D5-44A2-89E0-B2C6A3554D79"
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}
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}
] ,
"references" : [
{
"url" : "https://bugs.ghostscript.com/show_bug.cgi?id=702229" ,
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"source" : "cve@mitre.org" ,
"tags" : [
"Issue Tracking" ,
"Patch"
]
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} ,
{
"url" : "https://bugzilla.opensuse.org/show_bug.cgi?id=1177922" ,
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"source" : "cve@mitre.org" ,
"tags" : [
"Issue Tracking"
]
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} ,
{
"url" : "https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874" ,
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"source" : "cve@mitre.org" ,
"tags" : [
"Broken Link"
]
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} ,
{
"url" : "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530" ,
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"source" : "cve@mitre.org" ,
"tags" : [
"Release Notes"
]
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}
]
}