The maddecoderrun function in decoder.c in libmad 0.15.1b allows remote attackers to cause a denial of service (memory corruption) via a crafted MP3 file (CVE-2017-11552).
The maddecoderrun() function in decoder.c in Underbit libmad through 0.15.1b allows attackers to cause a denial of service (SIGABRT because of double free or corruption) or possibly have unspecified other impact via a crafted file (CVE-2018-7263).