The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value.
{
"binaries": [
{
"binary_version": "3.20.1+git20120521-6build1",
"binary_name": "insighttoolkit3-examples"
},
{
"binary_version": "3.20.1+git20120521-6build1",
"binary_name": "libinsighttoolkit3-dev"
},
{
"binary_version": "3.20.1+git20120521-6build1",
"binary_name": "libinsighttoolkit3.20"
}
]
}{
"binaries": [
{
"binary_version": "3.1.4~abc9f50+dfsg1-1ubuntu0.1~esm1",
"binary_name": "libcoin80-dev"
},
{
"binary_version": "3.1.4~abc9f50+dfsg1-1ubuntu0.1~esm1",
"binary_name": "libcoin80-runtime"
},
{
"binary_version": "3.1.4~abc9f50+dfsg1-1ubuntu0.1~esm1",
"binary_name": "libcoin80v5"
}
]
}