A global buffer overflow was discovered in the iteration_loop function in loop.c in BladeEnc version 0.94.2. The vulnerability causes an out-of-bounds write, which leads to remote denial of service or possibly code execution.
https://security.gentoo.org/glsa/202107-18
https://blogs.gentoo.org/ago/2017/09/19/bladeenc-global-buffer-overflow-in-iteration_loop-loop-c/