An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function load_pnm at frompnm.c, due to an integer overflow.
{
"binaries": [
{
"binary_version": "1.8.2-2.1",
"binary_name": "libsixel-bin"
},
{
"binary_version": "1.8.2-2.1",
"binary_name": "libsixel-dev"
},
{
"binary_version": "1.8.2-2.1",
"binary_name": "libsixel-examples"
},
{
"binary_version": "1.8.2-2.1",
"binary_name": "libsixel1"
}
]
}