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" } ] }