APT before 1.0.9 does not "invalidate repository data" when moving from an unauthenticated to authenticated state, which allows remote attackers to have unspecified impact via crafted repository data.
{
"binaries": [
{
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"binary_name": "apt"
},
{
"binary_version": "1.0.1ubuntu2.3",
"binary_name": "apt-transport-https"
},
{
"binary_version": "1.0.1ubuntu2.3",
"binary_name": "apt-utils"
},
{
"binary_version": "1.0.1ubuntu2.3",
"binary_name": "libapt-inst1.5"
},
{
"binary_version": "1.0.1ubuntu2.3",
"binary_name": "libapt-pkg-dev"
},
{
"binary_version": "1.0.1ubuntu2.3",
"binary_name": "libapt-pkg4.12"
}
],
"availability": "No subscription required"
}