A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash.
https://www.debian.org/security/2019/dsa-4522
https://security.gentoo.org/glsa/202006-17