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{
"id" : "CVE-2023-1999" ,
"sourceIdentifier" : "cve-coordination@google.com" ,
"published" : "2023-06-20T12:15:09.600" ,
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"lastModified" : "2025-02-13T17:16:01.293" ,
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"vulnStatus" : "Modified" ,
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"cveTags" : [ ] ,
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"descriptions" : [
{
"lang" : "en" ,
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"value" : "There exists a use after free/double free in libwebp. An attacker can use the\u00a0ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free."
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} ,
{
"lang" : "es" ,
"value" : "Existe un Use After Free/Double Free en libwebp. Un atacante puede usar la funci\u00f3n ApplyFiltersAndEncode() y hacer un bucle para liberar best.bw y asignar best = puntero trial. El segundo bucle devolver\u00e1 0 debido a un error de memoria insuficiente en el codificador VP8, el puntero sigue asignado a trial y el AddressSanitizer intentar\u00e1 un doble free."
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}
] ,
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{
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"source" : "cve-coordination@google.com" ,
"type" : "Secondary" ,
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"cvssData" : {
"version" : "3.1" ,
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"vectorString" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N" ,
"baseScore" : 5.3 ,
"baseSeverity" : "MEDIUM" ,
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"attackVector" : "NETWORK" ,
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"attackComplexity" : "HIGH" ,
"privilegesRequired" : "LOW" ,
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"userInteraction" : "NONE" ,
"scope" : "UNCHANGED" ,
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"confidentialityImpact" : "HIGH" ,
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"integrityImpact" : "NONE" ,
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"availabilityImpact" : "NONE"
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} ,
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"exploitabilityScore" : 1.6 ,
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"impactScore" : 3.6
} ,
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{
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"source" : "nvd@nist.gov" ,
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"privilegesRequired" : "NONE" ,
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"userInteraction" : "NONE" ,
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"integrityImpact" : "NONE" ,
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} ,
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"exploitabilityScore" : 3.9 ,
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{
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"source" : "cve-coordination@google.com" ,
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"description" : [
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"value" : "CWE-416"
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{
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"source" : "nvd@nist.gov" ,
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"references" : [
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"url" : "https://chromium.googlesource.com/webm/libwebp" ,
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"source" : "cve-coordination@google.com" ,
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} ,
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"url" : "https://security.gentoo.org/glsa/202309-05" ,
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} ,
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