{
   "CVE_data_meta" : {
      "ASSIGNER" : "cve@mitre.org",
      "ID" : "CVE-2015-6818",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "n/a",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "n/a"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "n/a"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "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."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "n/a"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "[debian-lts-announce] 20181220 [SECURITY] [DLA 1611-1] libav security update",
            "refsource" : "MLIST",
            "url" : "https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html"
         },
         {
            "name" : "http://git.videolan.org/?p=ffmpeg.git;a=commit;h=47f4e2d8960ca756ca153ab8e3e93d80449b8c91",
            "refsource" : "CONFIRM",
            "url" : "http://git.videolan.org/?p=ffmpeg.git;a=commit;h=47f4e2d8960ca756ca153ab8e3e93d80449b8c91"
         },
         {
            "name" : "http://ffmpeg.org/security.html",
            "refsource" : "CONFIRM",
            "url" : "http://ffmpeg.org/security.html"
         },
         {
            "name" : "USN-2944-1",
            "refsource" : "UBUNTU",
            "url" : "http://www.ubuntu.com/usn/USN-2944-1"
         },
         {
            "name" : "1033483",
            "refsource" : "SECTRACK",
            "url" : "http://www.securitytracker.com/id/1033483"
         }
      ]
   }
}