In ImageMagick 7.x before 7.0.8-42 and 6.x before 6.9.10-42, there is a use after free vulnerability in the UnmapBlob function that allows an attacker to cause a denial of service by sending a crafted file.
[
{
"signature_version": "v1",
"source": "https://github.com/imagemagick/imagemagick/commit/c5d012a46ae22be9444326aa37969a3f75daa3ba",
"deprecated": false,
"id": "CVE-2019-14980-08e53aca",
"target": {
"function": "DetachBlob",
"file": "MagickCore/blob.c"
},
"digest": {
"function_hash": "291010877262477667703302562250498312886",
"length": 731.0
},
"signature_type": "Function"
},
{
"signature_version": "v1",
"source": "https://github.com/imagemagick/imagemagick/commit/c5d012a46ae22be9444326aa37969a3f75daa3ba",
"deprecated": false,
"id": "CVE-2019-14980-357397c4",
"target": {
"file": "MagickCore/blob.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"240547575217823678974276225470322162415",
"38728483011723963129938329544653853909",
"220465228789161368205841697677186755489",
"96289371901039118333275192944269771611"
]
},
"signature_type": "Line"
}
]
[
{
"signature_version": "v1",
"source": "https://github.com/imagemagick/imagemagick6/commit/614a257295bdcdeda347086761062ac7658b6830",
"deprecated": false,
"id": "CVE-2019-14980-8c189b91",
"target": {
"file": "magick/blob.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"240547575217823678974276225470322162415",
"38728483011723963129938329544653853909",
"220465228789161368205841697677186755489",
"96289371901039118333275192944269771611"
]
},
"signature_type": "Line"
},
{
"signature_version": "v1",
"source": "https://github.com/imagemagick/imagemagick6/commit/614a257295bdcdeda347086761062ac7658b6830",
"deprecated": false,
"id": "CVE-2019-14980-bac24320",
"target": {
"function": "DetachBlob",
"file": "magick/blob.c"
},
"digest": {
"function_hash": "137616152220278181952427592358977441460",
"length": 705.0
},
"signature_type": "Function"
}
]